Summer Chocolate Mimosa Tree

Albizia julibrissin 'Summer Chocolate'

Nature Hills Nursery

Hardy in USDA zones 6-10 for heat-loving landscapes.
Features dramatic, fern-like foliage that emerges green and turns a rich chocolate-burgundy.
Produces fragrant, fluffy pink "powder puff" flowers from mid-to-late summer.
Fast-growing habit reaches a mature height and spread of 15-20 feet quickly.

$365⁴⁴

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Plant Size

#5 Container 4-5 Feet

Product variants

Planting & Care

Where to Plant

Sunlight: Full sun is essential for this variety. To maintain that deep, rich burgundy foliage color, the tree needs at least 6 to 8 hours of direct sunlight daily; otherwise, the leaves may fade to a muddy green.
Soil: This tree thrives in well drained soil and isn't too picky about pH levels. If you have heavy clay, plant it in a slight mound or add organic compost to the backfill to ensure the roots don't sit in stagnant water, which can lead to root rot.

Watering Requirements

During the first two growing seasons, provide deep watering twice a week to help the root system anchor itself. Once established, the Summer Chocolate Mimosa is impressively drought tolerant, though consistent moisture results in more lush foliage and prolific "powder puff" blooms. If the tree goes through a severe dry spell without supplemental water, it may drop leaves early to protect itself from stress.

Pruning Tips

Since this tree blooms on new wood, the best time to prune is in late winter or very early spring before the new growth starts. You can thin out crossing branches or remove lower limbs to raise the canopy, which allows the tree to focus its energy on a strong central leader and healthy crown. Think of it like a light thinning of the hair to allow better airflow and light penetration throughout the branches.

Fertilizer Needs

Apply a balanced, slow release fertilizer in early spring as the buds begin to swell. Avoid high nitrogen fertilizers late in the summer or early fall, as this encourages soft new growth that won't have time to harden off before the first frost. This late season growth is particularly susceptible to winter kill, which can damage the overall structure of your tree.

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.

Reinvented Classic Summer Chocolate Mimosa Tree

Purplish-Bronze Foliage
Elegant Fountain Form
Pink Puffs of Flowers
Drought Tolerant

This is no ordinary tree. This Mimosa will make your heart flutter and your pulse race. With ravishing colors that seem to capture the sunset all day long and perfect puffs of summer blooms, the Summer Chocolate Mimosa Tree (Albizia julibrissin 'Summer Chocolate') is ready to turn heads in your yard!

This tree's foliage is the deep purplish-brown color of dark chocolate. Its leaves almost seem to glow violet as they shimmy in the breeze. And this majestic foliage tends to appear a spectrum of colors from one angle to the next. From green to bronze to violet and brown, the Summer Chocolate Mimosa's foliage is striking!

The Summer Chocolate Mimosa will soak your yard in delightful shade with its branches that spread wide and flow downward. This Mimosa offers that laidback tropical form that resembles an umbrella.

This unusual specimen adds a southern and tropical flair to any yard. And with its dark and warm foliage, many compare this tree to the Japanese Maple with a lighter and more carefree attitude.

And like the best Mimosa trees, this one also dances with fairy-like pompoms of pink flowers. You will love these classic pink and white blooms that light up against the deep purple leaves. Butterflies, bees, and hummingbirds also adore these delicate puffs.

To keep this deciduous wonder happy, give it bright and full sunshine. The Summer Chocolate Mimosa also performs best in medium moisture and well-drained soil. It will grow rapidly in these conditions. This stunning tree is drought tolerant and deer don't like the taste of it.

This show-stopping tree won't grow as large as the green varieties, making it perfect as a specimen in your front or side yard. It will also look spectacular when planted as an accent in your garden.

If you want a prize-winning yard with unbeatable color, the Summer Chocolate Mimosa is a perfect choice. This fountain shaped tree will stun your neighbors and add a world of color to your yard. Order soon, this is a red hot variety and people are searching for it.

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Mimosa Chocolate tree

Was pruned a little more open than I expected. Dropped all it's leaves during shipping as to be expected. Now THRIVING here in NorthWest AZ where even in mid October our temps are in the mid 90's. Exceptional quality tree, with exceptional root system, Very well packed. I am very pleased with my purchase. It was a costly little tree but I'm glad I bought it. Planting in the Spring in my area is NOT an option

Dear Marsha,

Thank you so much for taking the time to share your thoughtful feedback on your Mimosa Chocolate tree! We’re delighted to hear it’s thriving in your NorthWest Arizona garden despite the challenges of open pruning and the inevitable leaf drop from shipping. It sounds like the tree arrived in excellent condition and you’re seeing the benefits of a healthy root system — that’s always wonderful to hear! Given the high fall temperatures you’re experiencing, you’re certainly providing a great environment for your tree’s continued growth.

Planting in spring isn’t always possible for everyone, so your choice to plant in fall—even with those sizzling 90-degree days—is very wise. Be sure to keep the soil consistently moist but well-drained as your tree adapts, and consider mulching to protect the roots through any temperature extremes. Should you need any guidance on care throughout the seasons or any additional support, don’t hesitate to reach out to us.

Thank you again for entrusting Nature Hills with your new tree, and for your kind words highlighting our care in packing and plant quality. Here’s to many flourishing years ahead!

Bloom on,
The Nature Hills Plant Knowledge Team

Mimosa Chocolate tree

Hello Marsha,

Thank you so much for taking the time to share your detailed experience with your Mimosa Chocolate tree! We’re delighted to hear it’s thriving in the challenging climate of Northwest Arizona, especially in those warm October temps. It’s great that the tree’s exceptional quality and strong root system met your expectations despite the careful pruning and leaf drop during shipping.

Planting timing is so important, and your decision to plant in early spring due to your area’s conditions is really wise. If you’d like, we can provide additional guidance on preparing your tree for spring planting to help ensure its best growth. Don’t hesitate to reach out if you want tips on soil amendments or watering tailored to your region before then!

We’re thrilled to know your purchase has been a positive one, and deeply appreciate your thoughtful feedback that helps us continue to improve.

Wishing you happy planting,
The Nature Hills Plant Experts