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VCU Garden Beds
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Date Posted: Mon, Mar 30 - 2:36 pm
- I am trying to revive 8 garden beds in the courtyard of my campus dorm. The soil is currently dense w/ roots from the nearby mature trees, which have basically invaded the beds! I am unsure what we should do with the roots :( Do we cut them? Additionally, there is a little sapling that is groing magestically in the center of one of the beds.... I do not want to kill it, as it proves itself to be resilient. I am unsure what kind of tree it is, but I assume it grew form one of the seeds of the trees above. How can I excave and transport the sapling to someone/somewhere it can thrive? I do not have photos on this device, but I would love to share pictures in an email thread once you get back to me :) With much thanks in advance, Emma Toggia
- Thanks so much for reaching out to the Richmond Master Gardeners. What a wonderful project for your campus space! It sounds like you’re already putting a lot of care into bringing those beds back to life! What you’re seeing with the roots is very common when garden beds are located near mature trees. Those trees naturally extend their root systems into nearby soil to access water and nutrients. Regarding the roots, you can cut smaller invading roots (pencil-size or smaller) when preparing the beds but you should avoid cutting large structural roots, as this can stress or damage the tree. And unfortunately, even with cutting, roots will likely return over time, so it may help to add a layer of fresh compost and topsoil to improve growing conditions. When deciding what to plant here, we'd recommend choosing shade-tolerant, root-competitive plants like ferns and hellebores About the sapling: It’s great that you’d like to preserve it! You can attempt to transplant it, especially if it’s still relatively young. The best time to transplant is early spring or fall, but you can try now if you’re careful and keep it well-watered afterward. Dig a wide circle around the sapling to capture as much of the root system as possible (roots are often wider than you expect) Gently lift it, keeping as much soil around the roots as you can. There are some trees that have a very long tap root that can be nearly impossible to get out once they reach even a small size. If you find this to be the case with this tree, it may not be possible to save the tree and move it. However, if you are able to get the root ball out of the ground relatively intact, replant it promptly in a new location (or container), water deeply, and keep it consistently moist while it establishes. Do keep in mind that volunteer saplings often come from nearby trees and may grow quite large—so choosing an appropriate long-term location is important. If you have additional questions or want to share photos, you can reach us at rvamastergardeners@gmail.com. Best of luck with your garden beds, this sounds like such a meaningful project for your community!
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Pruning Rosemary
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Date Posted: Tue, Mar 03 - 11:11 am
- I moved into a house with an overgrown Rosemary bush. I love it but I think it needs some help. How would you prune it without killing it. I'm afraid if I trim it too far back it might die. I have no idea how old it is.
- Thank you for your question — what a gift to inherit a mature rosemary plant! Established rosemary can live for many years, but it does tend to become woody and overgrown over time. The most important thing to know is that rosemary does not reliably regrow from old, bare wood. If you cut back into thick, leafless stems, those sections often will not resprout. For that reason, pruning should be done conservatively and gradually. The best time to prune rosemary in Virginia is in early spring after the risk of hard frost has passed, or lightly after it finishes flowering. Begin by removing any clearly dead wood — you can gently scratch the bark with your fingernail to check for green tissue underneath, which indicates the stem is still alive. When shaping the plant, avoid cutting back into bare woody stems. Instead, always leave at least an inch or two of green growth on the stem. It’s safest to remove no more than about one-third of the plant at a time, especially if it is quite overgrown. If significant reduction is needed, spreading the pruning out over one or two growing seasons will reduce stress on the plant. When making cuts, trim just above a set of green leaves to encourage branching and fuller growth. If most of the plant consists of woody stems with growth only at the tips, you may be limited to light shaping rather than a dramatic cutback. In that case, you might consider taking a few soft cuttings in spring to start a new plant as a backup. Good luck! I love having fresh rosemary to pick from in the backyard! I hope you will be able to enjoy this plant for many years to come.
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Planting under a Magnolia
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Date Posted: Wed, Jan 14 - 1:33 am
- I have a magnolia tree in the front yard and underneath it it's mostly dirt. I don't really want to plant grass there but I wondered if you might suggest something that I could plant under the tree so it's not so muddy. My grandchildren get very muddy after a rain. I took a picture so you can kind of see what it looks like. It has a little bit of morning Sun but mostly shady during the day. Thanks for your help. I
- Thanks for reaching out to the Richmond Master Gardeners with this question! This is a very common situation under magnolias, so you’re not alone—and you’re smart to avoid trying to force grass there. Magnolia trees have shallow, wide-spreading roots and create dense shade, which makes it hard for turfgrass to survive. We are always gravitating towards native options anyways. A favorite of mine for a situation like this is a sedge. Pennsylvania sedge (Carex pensylvanica) is one of the BEST grass-like alternatives for shade. It looks neat, stays low, and is much tougher than turfgrass. (https://vaplantatlas.org/index.php?do=plant&plant=1242&search=Search) Some other native ground cover options you could consider are: Green-and-gold (Chrysogonum virginianum) Semi-evergreen, spreads slowly, cheerful yellow flowers in spring https://vaplantatlas.org/index.php?do=plant&plant=1776&search=Search Wild ginger (Asarum canadense) Excellent for shade, soft leaves, great soil cover https://vaplantatlas.org/index.php?do=plant&plant=2009&search=Search https://vnps.org/wildflowers-of-the-year-2/2010-wild-ginger-asarum-canadense/ Creeping phlox (Phlox stolonifera) Handles partial shade, beautiful spring blooms https://vaplantatlas.org/index.php?do=plant&plant=3156 A couple important things to keep in mind before planting anything under a magnolia: Avoid digging deeply (to protect roots) and do not pile soil or mulch against the trunk. You could consider covering some of the space with mulch - just be sure not to pile it against the trunk! Good luck!!
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Hydrangea identification & tips
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Date Posted: Fri, Oct 31 - 10:02 am
- Any idea what kind of hydrangea this might be? It was in the garden when we moved in. Maybe the first year a couple of pinkish blooms but last year nothing In particular any suggestions for pruning would be appreciated
- Thanks for reaching out to the Richmond Master Gardeners and for including the picture! From your description and photo, we think your hydrangea is most likely a Hydrangea macrophylla (French hydrangea). French hydrangeas are deciduous shrubs known for their rounded clusters of pink, blue, or purple flowers. And it sounds like your plant is still young, which can explain the limited blooming so far — these shrubs often take a few seasons to establish before flowering reliably. Here are a few tips about pruning to help improve your blooms: Hydrangea macrophylla blooms on old wood, meaning next year’s flowers form on stems that grew this year. Because of that, pruning at the wrong time can remove potential flower buds. Only prune right after the plant finishes blooming (early to mid-summer). Avoid pruning in fall, winter, or spring, as this will remove next season’s buds. When pruning, remove only dead, damaged, or very weak stems, and lightly shape the plant to improve airflow. Older, woody stems can be cut back at the base every few years to encourage new growth. A few other things to note about these hydrangeas: They prefer partial sun — ideally morning sunlight with afternoon shade. They like moist but well-drained soil rich in organic matter. You can add compost to improve texture and moisture retention. They should be kept evenly moist during dry periods, especially in hot weather. If your soil is naturally acidic, you may also notice the flower color shift toward blue; in more alkaline soil, blooms stay pink. We hope these tips will help you see more blooms in the years to come!
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Fall Native Seed Sowing
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Date Posted: Tue, Oct 21 - 12:33 am
- I am getting ready to sow native flower seeds. I plan on just casting them on soil (blanket flower, tickseed sunflower, cardinal flower, salvia, turtlehead and coneflower) I have some heavily mulched areas and understand I should rake that back so they contact the dirt and rake it back in the spring. I also have a lot of trees and wonder if it's ok if seeds are covered w leaves, or should I wait until all of the leaves fall and clear the area as I would the mulch? Thank you!
- Thanks for reaching out to the Richmond Master Gardeners! Those are all wonderful native choices that benefit from being sown now so they can go through a natural winter cold stratification period. You’re also correct that good seed-to-soil contact is key for germination. Here’s how to approach each situation: Mulched areas: Yes — rake the mulch back before sowing so the seeds can fall directly onto the soil. After seeding, gently press them in (you can even walk over the area) so they make contact with the soil surface. Leave the mulch off for winter and rake it lightly back in the spring after seedlings start to emerge and you can see where they’ve sprouted. Leaf-covered areas: A thin layer of leaves is fine — it can even help protect seeds from washing away and mimic natural forest duff. However, a heavy mat of leaves (especially large, flat ones like oak or maple) can smother seeds and block light in spring. If you have thick leaf cover, wait until most have fallen, then lightly clear the area before sowing or thin the layer to about an inch so seeds can still reach the soil and get some light and moisture. Good luck! We hope you have lots of success!
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Transplanting a peach tree
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Date Posted: Thu, Aug 14 - 5:34 pm
- I need to transplant this peach tree but know next to nothing about when/how/where. Would love advice!
- Thank you for reaching out! Peach trees can grow successfully in the Richmond area when given the right conditions and care. Since your tree is currently in a pot, here are some steps and tips to guide you through transplanting it into the ground: Best Time to Transplant Late fall to early spring (after leaf drop but before buds swell) is ideal. In Richmond, that’s typically November through March when the tree is dormant. This reduces stress and gives roots time to establish before summer heat. Choosing a Planting Site: Sunlight: Choose a location with full sun — at least 6–8 hours daily. Soil: Well-drained, loamy soil with a pH of 6.0–6.5 is best. Avoid low areas where water collects. Soil test kits can be found at local Richmond Public Libraries Air Circulation: Good airflow helps reduce fungal diseases. How to Transplant: Dig a hole twice as wide as the root ball and just as deep. Loosen the surrounding soil to encourage root spread. Gently slide the tree out of the pot, loosening any tightly wound roots. Trim circling roots to prevent girdling. Place the tree so the root flare (where roots meet trunk) is level with or slightly above ground level. Fill with native soil (you can mix in some compost if soil quality is poor). Water deeply to remove air pockets. Apply 2–4 inches of mulch around the base, keeping it a few inches away from the trunk. This helps conserve moisture and regulate temperature. After planting: Water deeply once a week during the first growing season, more often in hot/dry spells. Lightly prune in late winter to shape and remove damaged branches. Young peach trees can be susceptible to deer, rabbits, and voles, so consider fencing or trunk guards. Good luck with your peach tree!! We wish you lots of success! Thanks again for reaching out.
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Pruning limelight hydrangeas
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Date Posted: Tue, Jul 15 - 10:37 pm
- I read that hydrangea blossoms need to be cut by the end of July or the plant won’t blossom next year. I have a limelight hydrangea. Is that true?
- Thanks for reaching out! That advice applies only to hydrangeas that bloom on old wood, like bigleaf (macrophylla) or oakleaf (quercifolia) varieties. These set their flower buds in late summer or early fall, so pruning late removes next year’s blossoms. But Limelight hydrangea (Hydrangea paniculata ‘Limelight’) is a panicle hydrangea, which blooms on new wood—the current year’s growth For limelight hydrangeas, we recommend pruning in late winter or early spring, before new buds emerge. You can prune again in fall or winter to remove dead wood and shape the plant. It is not necessary that you prune your limelight by the end of July - you can continue to enjoy blossoms through the summer!
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Pruning Oakleaf Hydrangeas
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Date Posted: Fri, Jul 11 - 12:54 am
- I have an oakleaf hydrangea that has grown too large for its spot in my yard here in Richmond. When is the best time to cut it back and should I cut its branches close to the trunk? Can it be encouraged to grow more vertically and not spread out horizontally?
- Thank you for your question about your oakleaf hydrangea (Hydrangea quercifolia)! I frequently walk past the ones Maymont has in their parking lot at the nature center and am always admiring how beautiful they are but they can indeed outgrow their space over time. Timing: The best time to prune oakleaf hydrangeas is shortly after they finish blooming, typically in late June through early August here in Richmond. These shrubs bloom on old wood, meaning they form next year’s flower buds on stems grown the previous year. Pruning in late summer or fall will likely remove those buds and reduce flowering the following year. How to prune: Avoid cutting branches all the way back to the trunk. Instead, remove about 1/3 of the oldest, thickest stems at the base to encourage new growth and improve shape. You can also shorten some of the remaining stems to reduce overall size and guide the shape—just make cuts back to a bud or side branch. Encouraging vertical growth: Oakleaf hydrangeas naturally have a broad, spreading habit. While you can’t dramatically change this growth pattern, you can encourage a more upright form by thinning out wide-angled branches and encouraging vertical shoots, selectively removing outward-growing stems to reduce width, and/or using light staking or support for young vertical stems if needed (though this is more effective in younger plants). If the space is truly too small for the mature size of your shrub, long-term, you might consider relocating it in the fall or early spring when it’s dormant. Good luck and happy gardening!
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Hydrangea Pruning
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Date Posted: Wed, Jun 04 - 1:52 am
- Hello! My hydrangeas need some help. I inherited them with my new to me house in late fall, so this spring was my first opportunity to prune. They were already overgrown from the past owners. For the big leaf hydrangeas: I missed the fall pruning, so these haven't had a haircut since who knows when. The branches are getting weighed down from the weight of the flower and leaves, and the plant is very leggy. Should I try and start selectively and slowly clipping them back now or wait until they're done blooming and do it one big chop? If now, do I cut the old leggy wood back, or just the new green branches that are stemming from the old leggy wood (the two blooms on the top of the left bush are an example)? For the panicle hydrangea in the middle: I cut what I thought was way back this spring, but clearly not enough! Should I be trying to selectively trim some of this back now or bite the bullet and wait until spring and do a big chop? It's so tall and it's only May! Thank you!
- Thanks for reaching out—and congratulations on your new home and garden! It sounds like you’re giving your hydrangeas some thoughtful attention, which they’ll definitely appreciate. The blooms are beautiful! Here’s a breakdown of how to approach pruning both your bigleaf hydrangeas (Hydrangea macrophylla) and your panicle hydrangea (Hydrangea paniculata): Bigleaf Hydrangeas : These bloom on old wood, meaning the flower buds for this summer formed last year. That’s why heavy spring pruning can often result in fewer blooms. Since yours are blooming now, I'd recommend that you hold off on major pruning until after they finish flowering—typically by mid to late summer. Then you can: Remove about 1/3 of the oldest, leggiest stems at the base to encourage new growth from the bottom and lightly shape the plant by shortening stems that look untidy or weighed down. Avoid pruning after August, however, as that risks cutting off next year’s flower buds. In the meantime, if any branches are flopping badly or blocking paths, you can do a light, selective trim now—just avoid heavy cuts that remove flower buds. Panicle Hydrangeas: These bloom on new wood, so you have more flexibility with timing. You’re absolutely right that they can grow quickly in spring! For now, you can lightly thin or shorten a few of the tallest stems to maintain a more manageable shape but avoid cutting more than 1/3 of the plant this time of year. If it’s still too tall for your space, plan for a more significant structural pruning next late winter/early spring, before new growth starts. General Tips: Always cut just above a pair of healthy buds or a leaf node. Use clean, sharp pruners to avoid disease. Consider adding mulch and checking soil drainage if plants look stressed or leggy—bigleaf hydrangeas especially like evenly moist (but not soggy) soil.
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Pruning a dwarf apricot tree
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Date Posted: Thu, May 08 - 11:20 pm
- We have a dwarf apricot tree in our backyard near our privacy fence (designated by purple arrow in photo). Unfortunately, one of the medium size limbs at the top has stretched over our privacy fence into our neighbor’s yard. I want to but the limb but I’m nervous about damaging the tree since it’s spring time. Would it be okay to cut it at this time of year?
- Thanks for your question about pruning your dwarf apricot tree. It’s totally understandable to want to manage the limb growing into your neighbor’s yard, and you’re right to think carefully about timing. While late winter or early spring (before bud break) is generally the best time to prune apricot trees, light or selective pruning—even now in late spring—is okay, especially if it’s necessary to maintain boundaries or reduce potential damage. Just keep a few tips in mind to minimize stress on the tree: -Use clean, sharp tools to make a clean cut just outside the branch collar (the slightly swollen area where the limb connects to the trunk or larger branch). -Avoid removing more than 10–15% of the tree’s total canopy during the growing season. -Try to prune on a dry day to reduce the risk of fungal infections entering the fresh cut. If you only need to remove one medium-sized limb, your apricot tree should tolerate it well—especially if it's otherwise healthy. Make sure to monitor the tree through the season for any signs of stress (like leaf drop or dieback) and water consistently during dry spells.