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Finding Natives for a tough spot
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Date Posted: Mon, Mar 17 - 4:33 pm
- Hello! We have a particularly difficult section of our garden in Richmond: it's a sloped spot between the driveway and the house, faces south, has pretty lousy soil, and is shaded by nearby oak tree. The only thing that we've been able to grow there is rosemary; everything else we've tried hasn't made it. Are there any native perennials that might survive?
- That sounds like a tricky spot, but there are some native perennials that could thrive in those conditions! Given that the area is south-facing but shaded, has poor soil, and is on a slope, you'll need plants that are drought-tolerant, shade-tolerant, and able to handle soil erosion. Here are some great Virginia native perennials that might work: Low-Maintenance Shrubs American Beautyberry (Callicarpa americana) – Handles some shade and poor soil, and has striking purple berries in fall. Witch Hazel (Hamamelis virginiana) – Tolerates shade and provides late fall yellow blooms. Perennials for Shade & Dry Conditions Columbine (Aquilegia canadensis) – A beautiful, drought-tolerant flower that does well in partial shade. Wild Geranium (Geranium maculatum) – A tough native with lovely pinkish-purple flowers in spring. Golden Ragwort (Packera aurea) – Great for erosion control and pollinators, with bright yellow flowers in spring. Ornamental Grasses (For Texture & Erosion Control) Little Bluestem (Schizachyrium scoparium) – Drought-tolerant and provides great fall color. (A favorite of mine!) Bottlebrush Grass (Elymus hystrix) – A native grass that thrives in dry shade. Since rosemary has survived, that suggests it’s well-drained soil, possibly a bit alkaline due to the concrete driveway. You may need to amend the soil with compost to help native plants establish, but once they do, they should require little maintenance.
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Selecting grass for lawn
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Date Posted: Fri, Jan 31 - 3:46 pm
- Hello Richmond Master Gardeners, I would love your expertise on what type of grass I should plant in my backyard, which is almost entirely bare. I live in the Chamberlayne Farms neighborhood in Northern Henrico, and our soil is very soft. Our lot backs up to woods, and the back of our house faces north east, so we get very little sunlight back there. Thanks, Sam Prescott
- Thanks for reaching out to the Richmond Master Gardeners for help with your yard. For lawns in our region, tall fescue is the best choice. Southern States offers a blend specifically formulated for shady areas, which may be a great option for you. We also highly recommend getting a soil test to better understand what your lawn needs to thrive. Soil test kits are available at many Richmond Public Library branches, and you can also check with the Henrico Master Gardeners for locations in your area. A soil test will provide valuable insights into any necessary amendments, such as adding lime or applying a starter fertilizer with the right balance of nitrogen, phosphorus, and potassium. For best results, fertilize just before seeding. When it comes to timing, fall is the best season for planting cool-season grasses like tall fescue. Once you've spread the seed, be sure to keep the soil consistently moist with light watering every day until germination, which typically takes about two weeks. For more detailed guidance, the Piedmont Master Gardeners have a fantastic article on growing turfgrass in central Virginia. You can check it out here: https://piedmontmastergardeners.org/22408-2/. If you need help selecting products, Southern States has knowledgeable associates who can assist you in choosing the right seed and fertilizers for your yard. If you're open to alternatives beyond grass, you might consider a woodland garden or a shade-friendly native plant landscape. These options can provide beauty, ecological benefits, and reduced maintenance compared to traditional lawns. There are many possibilities, from native ground covers to ferns, wildflowers, and understory shrubs. You can explore options in the Virginia Native Plant Society's regional native plant guide (https://vnps.org/virginia-native-plant-guides/), which provides recommendations suited to our local conditions. Henrico might also have Master Gardeners willing to come out for a home consult if this is an option you are interested in pursuing! Happy planting, and let us know if you have any other questions!
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Landscape design and Horticultural classes
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Date Posted: Thu, Oct 31 - 11:19 am
- Hello. I've been cutting grass and pulling weeds for some time. I currently work as a grounds keeper. Id like former training to help me learn more and progress. Where can I go to get formal landscape landscape design and horticultural classes. thanks
- Thanks for reaching out to the Master Gardeners about educational opportunities! We are actually currently accepting applications for our upcoming internship program which provides 20 hours of education on a variety of topics including landscaping and turf management. Here is a quick synopsis about becoming a Master Gardener: Information about the upcoming class: The class will be run through the Chesterfield County Extension office and will meet January 9, 2025- March 27, 2025 on Tuesdays 9am-12p (virtually) and Thursdays 4p-7p (in person). Cost to participate is $225 (and includes all educational materials) Requirements for Master Gardener interns: Complete 20 educational hours and 50 volunteer hours Ongoing requirement for Master Gardeners: Complete 8 educational hours and 20 volunteer hours per year The Richmond Master Gardeners are a small, but fun unit! We have not had an extension agent since 2021 and operate mostly independently. We typically meet every other month on the first Monday of the month at 6pm at the West End Branch library and will often have speakers come to our meetings. Currently, our volunteer efforts are primarily focused at the Richmond Public Libraries and Richmond Public Schools. To apply, follow this link: https://bttr.im/70gik Another option to keep an eye out for is the Landscape design class offered through Lewis Ginter. Looking at their website, it seems like they just wrapped up a course, but this should be one they offer again in the future: https://www.lewisginter.org/event/basic-residential-landscape-design/ You could also consider the certificate program that is available through the Univeristy of Richmond: https://news.richmond.edu/features/article/-/10441/horticulture-professional-certificate-new-landscape-program-focuses-on-sustainable-landscape-practices.html And I always keep an eye on our amazing local nurseries and garden shops for the variety of classes that they offer: Sneeds Nursery, Great Big Greenhouse, Strange's, etc. Hope this list of opportunities and options will help you connect with what you are looking for!
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Blueberries and Lavender
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Date Posted: Tue, Aug 27 - 11:37 pm
- Hello, I have 3 questions - I have blueberry bushes that were not properly tended to over the summer heat. They produced lovely berries but since have grown scraggly and I need to trim them back. Is there a proper time and way to do this? I have attempted several times to take cuttings and start new plants. Failed every time. Any suggestions? I have lavender plants in front of the blueberry bushes. They are half alive and half dead. Do I need to move them? I am thinking it is from the overgrowth of limbs from the blueberry bushes but not certain. I am presently in the tedious process of soaking the ground in the evenings and pulling the grass and weeds that surround them. I appreciate your help.
- Thanks for reaching out to the Richmond Master Gardeners! You have several great questions that we will do our best to give you some guidance on: 1. When to prune blueberry bushes: The best time to prune blueberries is in late winter or early spring, just before new growth begins. This timing helps the bush recover and grow new shoots for the coming season. You could also have done some light pruning after harvesting, particularly if you noticed any dead or diseased branches. Regular, light pruning is usually better than infrequent, heavy pruning. Always make clean cuts and avoid leaving stubs, as these can become entry points for pests or diseases. 2. How to prune blueberry bushes: Start by cutting out any dead, damaged, or diseased branches. This helps improve air circulation and reduces the risk of pests and diseases. If the bush is very dense, selectively remove some of the older, thicker branches from the center of the plant to improve airflow and light penetration. This encourages better fruit development. Blueberry bushes produce the most fruit on new growth. Cut back older branches that are more than 6 years old to promote the growth of new, fruitful shoots. Aim for a well-rounded shape, which helps the bush maintain balance and supports better fruit production. Trim to keep the bush to a manageable size and shape, typically removing no more than a third of the plant's height in one season. During the growing season, you can also trim any overly vigorous shoots that might be crowding the plant, encouraging a more balanced structure. 3. Using cuttings to start new plants: The best time to take blueberry cuttings is from late summer to early fall when the wood is semi-hard but not yet fully mature. Choose cuttings from healthy, vigorous plants. Look for shoots that are not too old or too young. Ideally, the cuttings should be from the current season's growth and about 4-6 inches long. If possible, select shoots that haven't flowered, as they will have more energy to put into growing roots. - Preparing Cuttings: Make a clean cut just below a node (the point where leaves attach to the stem). This is where the roots are most likely to develop. Strip off the lower leaves, leaving a few at the top. This reduces moisture loss and encourages root growth. Although optional, dipping the cut end in rooting hormone can improve the chances of successful rooting. Rooting hormone is available in powder, gel, or liquid form. -Planting: Use a well-draining rooting medium like a mix of peat moss and perlite or sand. You can also use a commercial rooting mix. Insert the cuttings into the rooting medium about 1-2 inches deep. Firm the soil around them to ensure good contact. -Care: Keep the rooting medium consistently moist but not waterlogged. Water the cuttings gently to avoid displacing them. Cover the cuttings with a plastic bag or place them in a greenhouse or a propagation chamber to maintain high humidity. Ensure the cover does not touch the cuttings to avoid mold. Place the cuttings in a location with bright, indirect light. Avoid direct sunlight, which can be too intense for young cuttings. -Transplanting: After about 8-12 weeks, check for root development by gently tugging on the cuttings. If you feel resistance, roots have formed. Rooting can take time, so be patient and avoid disturbing the cuttings too soon. Once roots are established, transplant the cuttings into small pots with a potting mix suitable for blueberries or a mix of peat and perlite. Gradually acclimate the young plants to outdoor conditions by exposing them to more light and outdoor temperatures over a couple of weeks. 4. Caring for lavender plants: Lavender plants can be a bit finicky, but several common issues could be causing them to struggle or die. Here are a few things to think about: Lavender needs well-draining soil. Heavy, clayey, or waterlogged soils can lead to root rot. Consider improving drainage by adding sand or gravel to the soil, or planting in raised beds or containers with good drainage. Lavender prefers slightly alkaline to neutral soil, ideally with a pH between 6.7 and 7.3. You can test your soil’s pH with a kit and amend it if necessary. Lavender is drought-tolerant and doesn’t like to sit in wet soil. Water sparingly and allow the soil to dry out between waterings. Overwatering can cause root rot and other issues. While lavender prefers less frequent watering, it still needs some moisture, especially in hot, dry conditions. Ensure it gets enough water during prolonged dry spells. Lavender requires full sun to thrive, which means at least 6-8 hours of direct sunlight each day. If it’s not getting enough light, it can become leggy and weak. Lavender generally prefers temperate climates. Extreme cold or heat can stress the plant Lavender doesn’t need a lot of fertilizer. Fungal diseases like root rot, powdery mildew, and rust can affect lavender. Ensure proper spacing for air circulation and avoid overhead watering to reduce disease risk. Lavender benefits from regular pruning to maintain its shape and health. Prune after flowering to remove spent blooms and encourage new growth. Avoid cutting into old, woody stems, as they may not regenerate. Blueberries and lavender can be successfully planted together, but there are a few things to think about to ensure both plants thrive. Both blueberries and lavender prefer acidic to neutral soil. Blueberries thrive in a pH of 4.5 to 5.5, while lavender prefers a pH of around 6.7 to 7.3. This difference in pH requirements means you’ll need to find a balance or be prepared to amend the soil appropriately. Both plants need full sun to grow well. Ensure they receive at least 6-8 hours of direct sunlight each day. Both plants require well-draining soil. Blueberries are prone to root rot in poorly drained soils, and lavender, though drought-tolerant, also dislikes wet feet. Blueberries need consistent moisture, especially during the growing season, whereas lavender prefers drier conditions and is more tolerant of drought. Overwatering can lead to issues for both plants, so careful watering practices are necessary. We hope this will give you some guidance for moving forward. Happy gardening!
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Stunted vegetable garden
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Date Posted: Sat, Aug 12 - 6:55 pm
- My vegetable garden has been stunted in its growth this summer and I’ve been trying to figure out what I can do differently. I think we may have some Red Thread in the yard.
- I think many local vegetable gardens have experienced some stunting this year. The prolonged cooler weather we had at the beginning of the summer seemed to have a big impact on plants that were put in the ground in late April and May. In addition, we have had several periods with very little rain to help keep gardens watered which has also been having an impact. Before planting next year, its a good idea to do a soil test to see where your soil could use some support. Soil tests are available through the master gardeners at your local library. You can use these results to ensure you are planting in a robust healthy soil that is ready to provide a good home to your plants. Also, if you aren't already doing this, I would suggest fertilizing your garden with an organic fertilizer. Organic fertilizers slowly release nutrients giving a steady supply of food to your plants without disrupting the work of earthworms and other beneficial organisms. Follow the recommendations on the label for frequency of fertilizing. I'm not aware of nor have I been able to find any literature on red thread having an impact on anything other than turf grass. I'm not sure if you mentioned that in correlation with your concerns about your vegetable garden or as a separate concern. However, if you were looking for recommendations to deal with the red thread as well, fungicides are not usually advised for red thread control on residential turf for various reasons. The disease is largely cosmetic. Unless environmental conditions that promote disease development persist for extended periods, the turf will recover — usually with no lasting effects of infection. Good luck and happy gardening!
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Removing Kudzu
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Date Posted: Thu, Jul 27 - 12:13 am
- What can be used to get rid of the Kudzu that has taken over the Camellia bush?
- The dreaded kudzu! For successful long-term control, the extensive root system must be destroyed. Any remaining root crowns can lead to reinfestation. Kudzu grows from seed and from root crowns. You can see these root crowns if you follow a vine to where it roots in the soil. Dig just a little around it and you will see several buds, new sprouts, or mature vines emerging from just at, or below, the soil surface. This is the root crown. To stop new kudzu vine growth, cut just below the root crown and remove it from the soil. Kudzu cannot regrow from below the root crown, and it does not sprout from any lateral roots. Sometimes vines, which can root, may be buried under a few inches of organic matter and leaf litter. This gives them the appearance of lateral roots, but they are not. Buried vines make control more difficult because they are hidden and may produce many new shoots. Use a shovel or pick axe to expose the base of the root crown. Then use a sharp hatchet, axe, or a small handsaw to cut the root below the root crown. A shovel or hoe is not adequate for the job as the roots are very fibrous or woody. Pruning shears may work for severing smaller root crowns, but will not work for large root crowns. It is also a good idea to plant native grasses in the fall after removal to control erosion and spread of kudzu and invasion of other weedy plants which may colonize the site after kudzu dies. Good luck!
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Lawn alternatives
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Date Posted: Wed, May 03 - 4:23 pm
- I want to find an easier alternative ground cover to grass that is native to Virginia. I was thinking clover, but I worry because in some cases it can be more invasive. Any low maintenance ground cover plants that help improve the soil would be welcome!
- Hello there, Of course, plant selection depends on many things, exposure (north, south, east, west and combinations of those), soil type and structure, hours of direct sun, etc. I'm guessing since you have a grass lawn you are getting a good amount of sunlight. There are really no plants that are low maintenance before they become established. I've had good luck with white clover though I use it in relatively small areas and I don't have a problem with it wanting to take over the garden. If you have a large area you might want to get more creative and use a variety of plants as your ground cover (which the birds and insects will appreciate). There are a couple of native violets you could use, also phlox subulata which is evergreen and mat forming. I'm attaching a link to a website that has good information on what native plants can function as ground cover locally. Here it is- https://www.plantvirginianatives.org/reduce-lawn-area-with-native-groundcovers. I think you'll find some nice options there. Happy gardening!
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Building soil
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Date Posted: Sun, Feb 26 - 5:45 pm
- We are making new raised beds for flowers and veggies. We are designing them with a wooden frame and then approaching the layers as a lasagne garden. My partner is thinking he can use only mushroom compost and cardboard to fill these beds but from what I read we need about 75% soil and 25% mushroom compost. Is this accurate for Richmond soils? Thanks for your insights on how to best lay the ground materials for thriving flower & veggie beds. Much appreciated, Jāna
- Hello Jana, My go-to resource for soil building is the permaculture guide--Gaia's Garden. The recommendation for building soil through compost is to use half green matter and half brown (to attain a good ratio of nitrogen to carbon). Green matter would be leaves, grass clippings, kitchen scraps (but also manure) and the brown would be dried leaves, hay (includes weeds), straw, pruning trimmings, and wood shavings or similar. The book discusses all issues such temperature of pile, size, turning, etc. The mushroom compost is great but I think the combination of materials will lead to a longer stretch of fertility in the beds. With different materials leaching their nutrients at different times. The beds will consume a lot of mulching material. One way to deal with this is to use any brush you may have collected and build hugelkultur beds. They are basically a mound of brush (tamped down), well watered and covered with organic materials, compost and soil. So you may want to use a combination of hugelkultur and organic matter with a good topping of mushroom compost. I recommend reading Gaia's Garden's chapter 4-Bringing the Soil to Life. The author's favorite method for doing so is sheet mulching (lasange gardening). Happy gardening!
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Fall garden planting
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Date Posted: Tue, Sep 06 - 9:28 pm
- Hello! I just moved to RVA and Id like to plant a small flower garden in front of my house. The area receives sun most of the day. What plants could I plant that would adjust to being planted in September? Thank you so much! Taylor
- Hello Taylor! You've got two really good things going for you-sun and fall planting. Fall is a great time to plant here, though you may want to wait until it cools down just a little bit. This will give you some time to mull over your design. Your plant palette is pretty much wide open. Richmond is on the border of the piedmont and coastal plain regions, so you can use plants that are native to either of those areas. To get you started I have a few plant suggestions. They are: yellow coreopsis (tickseed), some purple echinacea (purple coneflower), liatris (liatris spicata)-also purple, orange butterfly weed (asclepias tuberosa) not butterfly bush, one of the native low-growing phloxes-divaricata or stolonifera, maybe some little bluestem grass (schizachyrium scoparium) for a different texture, for some height-oxeye (heliopsis helianthoides) and some shrubby st. john's wort (hypericum prolificum) for its lovely pollen-laded flowers and attractive foliage. One of the best approaches is to find a nursery you like that sells native flowers and see what is for sale at the nursery as the months pass. Ask the staff for information, they love sharing their knowledge! I also suggest reading up on what is, and why plant, a native plant. This is a really useful website--https://static1.squarespace.com/static/58e25c41e6f2e17ea4cb7766/t/5ed00bfcb208c2251311ebc6/1590692887078/Native+Plants+for+Virginia%27s+Capital+Region+Guide+for+download.pdf. Check out the information for the capital region on this website when gardening in Richmond but remember you may be able to use some plants for the coastal plain as well. Before starting your garden it's a good idea to get your soil tested to find out if it's lacking in any nutrients. You can find out about cost and how to gather a good sample by calling to speak with a VCE-MG at our Chesterfield Master Gardener Help Desk weekdays during regular business hours, March through October or call (804) 751-4401 to speak with the Master Gardener on call. Also, the local branch libraries have MG help desks. Check your local branch for the day and time and speak to an MG. They are there to help! Best of luck with your new garden!
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invasives
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Date Posted: Fri, Aug 27 - 3:36 pm
- 1) I have rampant overgrowth of wisteria, as well as more limited poison oak in an area covered by pine straw, ornamentals on perimeter of area, but worst parts are distant from these bushes. 2) Also widespread seeding from a mimosa (since cut down, but too late) throughout the front lawn. I'm averse to using Round-Up, and wonder if you can offer solutions and guidance. Many thanks! Catherine Davis
- Hello there, There's a lot do here. The wisteria should probably be dug up and put in the trash. They are rampant vines. I have seen some people do an excellent job of training them and keeping them in bounds. It all depends on your maintenance tolerance. If they are left to run wild they will climb trees and kill them over time. The poison oak (which I think is actually native but no one actually wants it in their yard) should probably be smothered. I understand you not wanting to using Round-up or a similar product, I wouldn't use it either. If they are young and small plants depriving them of sunlight, water and nutrients will over time kill them off. It could take several months but doing it now with this hot weather will help the soil heat up to kill the plants. Tarps, cardboard, plastic sheeting, these should all work. This process works best in sunny sites, you didn't mention the exposure. I've also had success using straight white vinegar on any plants that survive and re-sprout. And of course, be sure to wear protective clothing, head to foot, any time you are working with poison oak or ivy and put the clothes in your waster with hot water when you're done. As far as the mimosa seedlings, I can only imagine hand pulling them. I don't know the area in question but using vinegar in your lawn will damage the grass and I'm sure you don't want that. Hand pulling is one of the most effective methods to use when possible because you can often get the root of the plant out. Having a good thick ground cover is the best bet for keeping out all those unwanted plants. If there's a vacancy, they'll occupy it!! Best of luck Catherine!!