Chaste Tree

Vitex agnus-castus

Nature Hills Nursery

Heat-Loving Texas Lilac: Thrives in hot climates where traditional lilacs fail, blooming all summer long.
Deer & Drought Resistant: Aromatic foliage repels hungry deer and handles dry spells with ease.
Rapid Growth Rate: Gaining up to 2–3 feet annually to quickly establish a focal point.
Pollinator Magnet: Long-lasting violet-blue flower spikes draw butterflies and hummingbirds for months.

$40⁷⁰

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Find your Growing Zone

Plant Size

#1 Container - Shrub Form #3 Container

Product variants

Planting & Care

Where to Plant

Sunlight: Give this tree as much sun as possible—at least 6 hours of direct light is non-negotiable for a heavy bloom set. In partial shade, the canopy will open up, become leggy, and flower production will drop significantly.
Soil: Vitex hates "wet feet" and requires sharp drainage to thrive. It performs exceptionally well in sandy or rocky soils; if you have heavy clay, amend it with organic matter or plant in a raised berm to ensure water flows away from the roots.

Watering
While the Chaste Tree is famous for its drought tolerance, it needs consistent moisture during its first season to establish a deep root system. Once established, it handles heat and dry spells easily, though a deep soak during extreme summer droughts will keep the foliage lush and the flower spikes vibrant.

Pruning Instructions
Because this plant blooms on new wood, you can prune it fearlessly in late winter or early spring before new growth emerges. You can shape it into a tree form by removing lower limbs or cut it back hard (to about 12 inches) to treat it as a bushy shrub. Deadheading spent blooms in summer encourages a second flush of flowers and prevents seeds from spreading.

Fertilizer
Feed lightly in early spring with a balanced, slow-release fertilizer or a top-dressing of compost. Avoid high-nitrogen lawn fertilizers near the root zone, as these promote rapid, leafy growth at the expense of those beautiful blue blooms.

Delivery and Shipping

Preorder Shipping Schedule

We ship your plants when it's safe to transport them to your zone. Dates are estimated and subject to weather delays.

Zone 3-4	Week of March 30th
Zone 5	Week of March 16th
Zone 6-12	Week of March 2nd

Shipping Rates

Ships in 7-10 business days • Tracking provided • Weather protected

Under $50	$9.99
$50 - $99.99	$14.99
$100 - $149.99	$16.99
$150 - $198.99	$24.99
$199+	FREE

✓ Zone-specific timing • ✓ Professional packaging • ✓ Health guarantee

Understanding Our Container Sizes

At Nature Hills, our plants are sold in industry-standard nursery containers. You will notice we use the word "container" rather than "gallon." Container numbers follow a nursery trade size standard, not liquid volume. The number tells you the plant's size category and general maturity level. A larger container means a more established plant with a stronger root system.

Container Sizes

Quart

Plant age: 6 months to 1 year
Best for: Ground covers, perennials, ornamental grasses
What to expect: Our smallest and most affordable size. Well-suited for planting in multiples across a large area. Allow 1 to 2 seasons for full establishment.

#1 Container

Plant age: 1 to 2 years
Best for: Shrubs, perennials, smaller trees
What to expect: About the size of a large coffee can. A well-developed root system in a manageable size. Good value choice when you have time to let the plant grow into the space over a season or two.

#2 Container

Plant age: 2 to 3 years
Best for: Shrubs and trees where you want faster establishment
What to expect: A noticeable step up from a #1 in both plant size and root development. Good choice when you want visible presence without going to a larger size.

#3 Container

Plant age: 3 to 4 years
Best for: Most plants, most situations — flowering trees, shade trees, evergreen shrubs
What to expect: Our most popular size. Strong, developed root system. Plants in a #3 container make an immediate visual impact from day one. If you want a head start rather than waiting seasons for a plant to fill in, this is typically the right choice.

#5 Container and Larger

Plant age: 4 to 5+ years
Best for: Specimen plants, privacy screens, maximum instant impact
What to expect: Large, mature plants ready to make an immediate statement in your landscape. We also carry #7 and larger sizes for select varieties.

Why "Container" and Not "Gallon"?

Nursery container sizes follow an industry trade standard established for the nursery and horticulture industry. The number is a size designation, not a measurement of liquid volume. Actual soil volume varies by plant type, root mass, and growing medium. Using "container" is the accurate industry term. When you see #1, #2, or #3, think of it as the plant's size tier, not a gallon measurement.

Root Pouch Containers

Some Nature Hills plants arrive in a Root Pouch, a breathable fabric container made from 100% recycled materials. Root Pouches encourage denser root development through air pruning, which discourages root circling and promotes a stronger, more fibrous root ball at the time of planting.

Plants growing in Root Pouch fabric containers, showing the breathable woven fabric construction

There are two types. Knowing which one you have changes how you plant:

Degradable (brown or tan fabric): Plant the entire pouch directly in the ground. The fabric breaks down naturally in the soil over time.
Non-degradable (black or gray fabric): Remove the pouch before planting. Cut the bottom open with scissors, then peel the sides away. The fibrous root ball will hold its shape.

Not sure which type you have? Check the tag on your plant or contact us and we will confirm.

Full Root Pouch planting guide

Choosing the Right Size

Size	Plant Age	Best For
Quart	6 mo to 1 yr	Ground covers, perennials, grasses. Budget-friendly for mass plantings.
#1 Container	1 to 2 yrs	Shrubs, perennials, small trees. Value choice for patient gardeners.
#2 Container	2 to 3 yrs	Shrubs and trees where you want faster establishment.
#3 Container	3 to 4 yrs	Most plants. Immediate visual impact. Our most popular size.
#5 and larger	4+ yrs	Specimen plants, privacy screens, maximum instant impact.

Still not sure which size is right for your project? Our plant specialists are happy to help. Contact us and we will point you in the right direction.

If you live in a hot climate and find yourself envious of the cool-season lilacs your Northern friends grow, the Chaste Tree is your answer. This heat-loving powerhouse laughs at sweltering temperatures and drought, delivering waves of fragrant, purple-blue flower spikes right through the dog days of summer when most other plants are stalling. It’s the ultimate landscape problem-solver: fast-growing, beautiful, and tough as nails.

Why Gardeners Rely on Vitex

You will often hear this plant called the Texas Lilac, and for good reason. It provides that classic cottage-garden aesthetic but actually thrives in the humidity and heat of the South and Southwest (Zones 7-9). Beyond the blooms, it is a top-tier choice for battling local wildlife pressure. The aromatic, sage-scented foliage is highly unappealing to deer, meaning you get to enjoy the flowers instead of watching them become a snack.

Additionally, this is a magnet for pollinators. The long spires of violet-blue blooms are constantly visited by butterflies, hummingbirds, and bees, bringing dynamic movement to your backyard.

Growing Success & Hardiness

Success with Vitex agnus-castus starts with sun—give it as much as you can. It loves a full day of direct light and well-draining soil.

One common point of confusion is how this plant handles winter. In warmer regions (Zones 7-9), this grows into a substantial, multi-trunked Vitex tree reaching 15-20 feet tall. However, if you are gardening in Zone 5 or 6, you should treat it more like a large woody perennial. In these cooler zones, it often dies back to the ground in winter. Don't worry—because Chaste Trees bloom on new wood, it will shoot up vigorously in spring and still give you a full flush of flowers every single year.

Seasonal Appeal

The show typically begins in late spring or early summer and can last until autumn. The deep blue spikes stand out sharply against the palm-like leaves, which feature silvery undersides that flash in the wind.

Pro Tip: Does the Chaste Tree bloom all summer? It can! To keep the color coming, "deadhead" (clip off) the spent flower spikes before they go to seed. This encourages a fresh wave of blooms later in the season and prevents the tree from dropping seeds in your garden.

Landscape Placement

This adaptable plant works beautifully as a focal point in a Xeric (water-wise) landscape or a Mediterranean-style garden. It’s also a fantastic solution for "hell strips"—those hot, dry spots near driveways or sidewalks where other plants struggle. For patio gardeners, it makes a dramatic thriller in a large container, though it will stay smaller in a pot than in the ground.

Ready to bring effortless blue blooms to your landscape? Order your Chaste Tree today, and we’ll ship it when the time is right for planting in your area.

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Growing Zones 6-9

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Frequently Asked Questions

Are vitex trees evergreen?

Vitex trees are deciduous, not evergreen, shedding their palm-like leaves each fall. In zones 7-9 they maintain their woody structure year-round, while in zones 5-6 they die back to ground level in winter. Expect vigorous spring regrowth regardless of your zone.

Is the Chaste Tree hardy to zone 5, and will it die back in cold winters?

Chaste Tree survives in Zone 5 but dies back to ground level each winter. In these cooler zones, treat it like a large perennial that shoots up vigorously each spring and still blooms on new wood. Shop cold-hardy Chaste Trees at Nature Hills for reliable summer color.

What are the soil requirements for planting Chaste Tree, like drainage or pH?

Chaste Tree thrives in well-draining soil and isn't particularly fussy about pH. The key is avoiding waterlogged conditions, as this drought-tolerant tree performs best when roots can dry out between waterings. Plant in full sun with good drainage for optimal growth.

How much sun does a Chaste Tree need, and can it tolerate partial shade?

Chaste Trees need full sun and as much direct light as possible for best performance. They can survive in partial shade but will produce fewer flowers and have weaker growth. Plant yours in the sunniest spot available for maximum blooms.

How should I prune a Chaste Tree to shape it into a tree form?

Chaste Trees naturally develop into multi-trunked specimens reaching 15-20 feet in Zones 7-9. To create a single-trunk tree form, select one strong central leader and remove competing trunks at ground level during late winter. Prune lower branches gradually over 2-3 years to establish your desired canopy height, available at naturehills.com.

Is the Chaste Tree drought-tolerant once established, and how often to water?

Yes, Chaste Tree is extremely drought-tolerant once established and thrives in hot, dry conditions. This heat-loving plant laughs at sweltering temperatures and requires minimal supplemental watering after its first year. Water deeply but infrequently during establishment, then let natural rainfall handle the rest.

How is the Chaste Tree shipped, and what size is it when it arrives?

Chaste Trees typically arrive as young nursery plants, usually 1-2 feet tall in containers. They're fast growers that will quickly establish and reach their mature size of 15-20 feet in Zones 7-9. Plant in full sun with well-draining soil for best results.