Photo by Melody

PlantFiles: Pink Mimosa, Fragrant Mimosa, Catclaw Mimosa, Sensitive Mimosa
Mimosa borealis

Family: Mimosaceae
Genus: Mimosa (mim-MOH-suh) (Info)
Species: borealis (bor-ee-AL-is) (Info)

8 members have or want this plant for trade.


36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)

36-48 in. (90-120 cm)

USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun
Sun to Partial Shade

Plant has spines or sharp edges; use extreme caution when handling

Bloom Color:
Pale Pink

Bloom Time:
Mid Spring


Other details:
Drought-tolerant; suitable for xeriscaping

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:

Propagation Methods:
From seed; direct sow outdoors in fall

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

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There are a total of 9 photos.
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5 positives
1 neutral
No negatives

Gardeners' Notes:

Positive phizz On Oct 16, 2012, phizz from Albany, OR wrote:

I have had a Mimosa tree for about 5 years, planted in a semi-protected area in full sun. The first 3 years it died back to the ground in the winter. Last 2 years it has not died back but has not bloomed yet. It has several stocks, not just one. We live in the Willamette Valley of Oregon, zone 6. There are quite a few big Mimosa trees locally, Albany, Eugene & Salem which bloom nicely, seems to do better in the cities where it is warmer.

Positive marasri On Jul 15, 2010, marasri from Dripping Springs, TX wrote:

This is a different plant than the sensitive plant mentioned above. I like this plant a lot. It grows wild on my land. it is beautiful when it flowers and lives up to its name if the wind is not blowing. A word of caution. It can make a lot of seed. I have a bug that bores holes in all the seeds so only a few missed seeds actually sprout below my small grove of brush. This is a welcomed symbiotic relationship from my perspective, but maybe parasitic for the tree since she keeps feeling like more and more seed is needed. IF you do not have this bug, you might be inviting a headache into your yard. Weeding under a plant who's nick name has catclaw in it has its dangers. I do like this plant thorns and all.

Neutral thedesertsage On Jun 12, 2009, thedesertsage from Salt Lake City, UT wrote:

I have had my mimosa for 12 years and have never noticed spines or sharp edges.
I am trying to find out why I have so many dead branches every spring.
Also I don't know when it starts to get leaves elsewhere but in West Valley where I live it doesn't show signs of life until the last of May. I do live higher up on the hills maybe I am more of a 4b than a 5. My other plants are at least 2 weeks behind my mothers who lives in the valley.
It doesnt grow like a weed in Utah due to the cold. In fact you have to baby it.

Positive LindaTX8 On Apr 1, 2007, LindaTX8 from NE Medina Co., TX (Zone 8a) wrote:

Mimosa borealis is a native here in Texas. A spreading shrub, it likes limstone soils and is drought-tolerant. In spring, after the foliage returns, it blooms, with many fluffy pink blooms. It has tiny "catclaws" that may catch at you or your clothes if you brush up against the plant. I love it when it's blooming!

Positive indirt On Aug 7, 2006, indirt from Hico, TX (Zone 7b) wrote:

This is so beautiful in bloom it is difficult to resist. Pictures do not do it justice. It is growing in rocky sand w/ clay/rock base and has held up admirably during very long drought and weeks of 100+. A&M says it can be grazed by livestock, but suffers from overgrazing.

Positive olio On Jul 22, 2004, olio from Marietta, GA wrote:

This plant (Mimosa Podica) grew year round at my my home near Savannah. We called it "Nervous Mimosa) when I played with it as a kid.

I now live in Marietta,GA (N. of Atlanta) and people tell me it will not survive the winter here.

I'll try this winter and let you know.


This plant has been said to grow in the following regions:

Denver, Colorado
Deltona, Florida
Fort Lauderdale, Florida
Jacksonville, Florida
Sarasota, Florida
Liberal, Kansas
Pocola, Oklahoma
Conway, South Carolina
Arlington, Texas
Dallas, Texas
Dripping Springs, Texas
El Paso, Texas
Fredericksburg, Texas
Glen Rose, Texas
Helotes, Texas
Hico, Texas
Kerrville, Texas
Lufkin, Texas
San Antonio, Texas (3 reports)
Santa Fe, Texas
Salt Lake City, Utah

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