How to Grow Crape Myrtle
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How to grow crape myrtle well comes down to three choices: a cultivar sized for the space, a planting season that gives roots time to establish, and pruning with restraint. The three extension sources agree on most of this. The Mississippi State and Virginia Tech pages both warn against heavy pruning, and the UF/IFAS sheet lists topping as one practice among several. Where the sources differ on zones or light, this guide says so instead of picking one.
Quick answer
- Choose a cultivar whose mature size fits the space, since that minimizes pruning.
- Plant in fall or early spring so the roots establish before summer heat, and set the plant at the depth it grew in its container.
- Prune in late winter or early spring, before growth begins, and avoid topping the main branches.
- In colder zones, expect stems to die back, though the plant can resprout from its roots.
Match the cultivar to the space
Cultivar size is the first decision. The Mississippi State page says that “Some are dwarf and are adapted to growing in containers; others may grow more than 20 feet tall.” The Virginia Tech publication puts the rule in one line: “To minimize pruning, select a cultivar with a mature size that fits the chosen space.” Those two sentences describe the same decision from opposite ends, so read the mature height on the plant label before you pick a spot.
The UF/IFAS sheet says the tall-growing selections suit streets, because “The upright, vase-shaped crown makes the tall-growing selections well-suited for street tree planting.” For a single specimen, it points to the bark and habit: the “smooth, peeling bark and multibranched, open habit of crape myrtle make it ideal for specimen planting”. It also says the species is “highly recommended for planting in urban and suburban areas.”
Mississippi State lists the uses from shrub to street tree, including border plant and patio container. A dwarf cultivar fits a container, while a tall cultivar needs room for its full crown. For digging the planting hole, see our guide to spades for digging planting holes.
Site: sun, air and drainage
The Mississippi State page is clear on the basics: crape myrtles “grow and flower best in sunny locations with good air circulation and well-drained soil.” The Virginia Tech publication adds that “Good soil drainage is required”, and it lists the light as “Partial shade to full sun”. The UF/IFAS sheet gives the light requirement as “full sun”, which is the stricter of the two statements.
On soil, the UF/IFAS sheet lists the tolerances as “clay; sand; loam; alkaline; acidic; well-drained”. That range is wide, but the other two pages both name well-drained soil. A yard with heavy, wet ground needs a drainage check before planting, and the sources do not describe a fix beyond the choice of spot.
The Mississippi State page also notes that “Crapemyrtles have shallow, fibrous root systems.” The page does not spell out what that means for planting, so this guide does not add a rule.
On moisture, the Virginia Tech listing gives “Moist to dry”, but it does not give a watering frequency. The watering advice for a new crape myrtle is therefore missing from this guide.
Plant in fall or early spring
The Mississippi State page gives the season logic: “planting in the fall or early spring allows time for roots to establish before summer heat arrives.” It also notes that container-grown and balled-and-burlapped plants can go in “any time of the year.” Those two statements cover most planting dates a home gardener will choose.
For the hole, the same page says to “Set the plant in the hole at the same depth it grew in the nursery or container.” That instruction is direct and easy to check against the pot or the root ball before you dig.
On feeding, the Mississippi State page gives one rate, and it comes with a condition: “If you have not had your soil tested, apply 2 pounds of a slow-release fertilizer with a 2-1-1 ratio per 100 square feet of bed area.” A soil test comes first, and the rate is for a bed rather than a single tree. The other two pages give no rate, so this is the only fertilizer figure in the guide. For a kit to check soil before feeding, see our guide to soil testers for garden beds.
Prune in late winter and avoid topping
Pruning is where the three pages agree most closely. The Mississippi State page says “The most attractive crapemyrtles are allowed to grow into their natural form, free of being pruned”, and it adds that “Improper pruning can ruin this desired appearance of crapemyrtles.” If you do prune, it advises that “prune in late winter or early spring before growth begins.” The UF/IFAS sheet gives the same window and the same reason: late winter is “easier to see which branches to prune.”
The Virginia Tech publication names the practice to avoid. It calls heavy cutting of the main branches “crape murder”, and it says that much of the beauty of the species comes from its exfoliating trunks. Its care note is narrower: “Prune dead wood from the plant in the spring.” The UF/IFAS sheet lists topping as one of several pruning methods, which can read as an endorsement if taken alone. Its description of the result reads: “Topping creates several long, thin branches from each cut which droop down under the weight of the flowers.”
Pruning does have a benefit the sources name. The Mississippi State page says that “Pruning can stimulate new growth and increase the number of bloom clusters on the plant.” The UF/IFAS sheet puts the same idea as deadheading: “remove the spent flower heads to encourage a second flush of flowers”. A plant can be kept in its natural form and still get more flowers from a light cut of spent heads.
For a tree form, the Mississippi State page says to allow the main trunk or trunks to reach 5 to 6 feet before the plant branches. For cutting tools, see our guide to pruners for trees.
Seasonal timing at a glance
| Season | What the sources support |
|---|---|
| Late winter or early spring | Pruning window before growth begins, per Mississippi State and the UF/IFAS sheet. |
| Spring | Remove dead wood, per the Virginia Tech publication. |
| Fall or early spring | Planting window that lets roots establish before summer heat, per Mississippi State. |
| Any time of year | Container-grown and balled-and-burlapped plants, per Mississippi State. |
| Early summer to late fall | Flower clusters, described by Mississippi State as a show from early summer through late fall. |
The table leaves out a watering frequency, because none of the three pages gives one. The bloom window is the only timing the UF/IFAS sheet adds, and it varies by zone, so the table keeps to the Mississippi State figure. The same page describes the color as “an array of fall colors ranging from brilliant yellow to deep maroon”, and it notes that seed pods “remain on the plants all winter”. The Virginia Tech listing says its glossy, dark green foliage “turns yellow, orange, and red in fall.”
Cold winters and drought
Winter is the main cold risk. The Mississippi State page says that “even though extremely low winter temperatures can sometimes kill plants to the ground, they normally resprout from the roots in the spring.” The Virginia Tech publication is more pointed about the trunk: “A portion or the entire stem/trunk structure of crapemyrtle may die in zones 6a or 5.” The two pages describe the same risk from different angles, so a grower in a cold yard should plan for dieback rather than assume a clean winter.
The UF/IFAS sheet lists drought tolerance as “High.” That is a useful trait for a dry spell, but the sheet does not turn it into a watering schedule, and the other pages do not either. The pages do not say how the first season should be watered, so check the soil rather than follow a fixed schedule.
Problems and conflicts in the sources
The zone ranges do not agree. The Mississippi State page says crape myrtles are hardy “from the United States Department of Agriculture (USDA) Plant Hardiness Zone 7 to Zone 10.” The Virginia Tech plant-needs table lists a range that starts at 6b and ends at zone 9. The UF/IFAS sheet ties bloom timing to zones 9 and 10, and it does not give a full hardiness range in the passage we read. A grower in a colder zone should check the plant label rather than rely on any single page.
Light is the second difference. The Virginia Tech table says “Partial shade to full sun”, while the UF/IFAS sheet lists full sun. The Mississippi State page describes sunny locations. For a partly shaded yard, the Virginia Tech wording is the more flexible one. The pages do not say how shade changes flowering.
The third difference is topping. The Mississippi State and Virginia Tech pages discourage it. The UF/IFAS sheet names topping as a method, and then describes its results without a recommendation. This guide follows the first two pages on that point.
Mistakes to avoid
- Topping the main branches to fit a space, which the Virginia Tech page calls “crape murder.”
- Choosing a tall cultivar for a small bed, when the Virginia Tech page says to select the mature size for the space.
- Planting in ground that stays wet, since the Virginia Tech page says good soil drainage is required.
- Assuming the zone range is the same on every page, because the sources differ.
- Feeding before a soil test, when the Mississippi State page ties its rate to a missing test.
How we chose
We limited the guide to three pages that returned HTTP 200 when opened with curl on 2026-10-23 and that contain planting or care text. Two are state university extension publications, from Mississippi State and Virginia Tech, and one is a UF/IFAS fact sheet on the species. The UF/IFAS pruning sheet came up in search but returned HTTP 404 when opened, so it is not used. No retail listing supplied any care fact, and each quotation was checked against the text of the page it comes from.
What we could not verify
The three pages cover the species and the basic care steps, but they do not give a watering frequency, a cultivar list with mature heights for each named variety, or a detailed topping-removal method. Since the fuller UF/IFAS pruning sheet did not open, its advice is missing from this guide.
What the sources do not say
None of the three pages gives a watering schedule, a pruning limit in inches, or a number of years to first bloom. They do not name specific cultivars with their heights, so the cultivar advice above stays general. The fertilizer figure is for a bed and comes with a soil-test condition, which this guide repeats rather than changes.
Frequently asked questions
Should you top a crape myrtle to control its height?
The Virginia Tech page advises against it and calls heavy cutting of the main branches “crape murder.” It also says much of the species’ beauty comes from its exfoliating trunks, which topping spoils. The better fix is a cultivar whose mature size fits the space.
When is the best time to plant a crape myrtle?
The Mississippi State page recommends fall or early spring, so roots can establish before summer heat. Container-grown and balled-and-burlapped plants can go in at any time of year, according to the same page.
When should you prune a crape myrtle?
Late winter or early spring, before growth begins, is the window named by Mississippi State and the UF/IFAS sheet. The Virginia Tech page adds that dead wood can be removed in spring.
Will a crape myrtle survive a hard winter?
The Mississippi State page says that extremely low temperatures can kill plants to the ground, though the plants normally resprout from the roots in spring. The Virginia Tech page warns that stems or trunks may die in zones 6a or 5, so colder yards carry more risk.
How do you get more blooms from a crape myrtle?
The UF/IFAS sheet suggests removing the spent flower heads to encourage a second flush of flowers and to prevent the brown fruits. The Mississippi State page says pruning can increase the number of bloom clusters, so a light trim has a stated effect.
Sources
- https://extension.msstate.edu/publications/crapemyrtle-flower-the-south (opened 2026-10-23)
- https://www.pubs.ext.vt.edu/2901/2901-1040/2901-1040.html (opened 2026-10-23)
- https://ask.ifas.ufl.edu/publication/ST342/pdf (opened 2026-10-23)
