Mimosa is a tree, a long-term addition to the landscape. It's hardy across USDA zones 6 through 9 and shrugs off deer. Its mid summer flowers are a moderate draw for honeybees, native bees, and butterflies. A nitrogen-fixer, it draws nitrogen from the air and feeds it back to the soil — turn it under or leave the roots in place, and the next planting inherits a richer bed.
Zones
6-9
pH Range
4.5-8.5
Sun
Full Sun
Days to Maturity
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What Mimosa is
Mimosa grows as a perennial and reaches around 35 feet at maturity. It blooms white in mid summer. It's also deer-resistant.
How to grow Mimosa
Mimosa grows in USDA zones 6 through 9. Mimosa does best in full sun — at least 6 hours of direct sun a day — and soil from pH 4.5 to 8.5, on well-drained ground. It needs a growing season of at least 270 frost-free days and about 200 hours of winter chill, which is why climate matters as much as soil.
USDA Zones
6-9
USDA PHZM 2023
Soil pH
4.5 - 8.5
USDA PLANTS Database
Sun
Full Sun
Growable Ground plant catalog
Drainage
well (dry spells)
Growable Ground plant catalog
Frost Tolerance
62.6°F
The lowest temperature it shrugs off — below this, expect damage without cover.
Growable Ground plant catalog
Mature Height
35 ft
Growable Ground plant catalog
Chill Hours
200+
Winter hours below ~45°F it needs to fruit — too-mild winters can leave it bloom-shy.
Growable Ground plant catalog
Frost-Free Days
270+
The frost-free stretch it needs start to finish — short-season areas may need an indoor head start.
Growable Ground plant catalog
Plant it right
Set mimosa in full sun with well-drained soil. Many fruit trees need a second variety nearby to pollinate — check before you plant just one.
Match the soil
Mimosa prefers pH 4.5 to 8.5 (FAO ECOCROP). A quick soil test from your local Extension lab tells you whether to add lime or sulfur to land in band. It fixes its own nitrogen, so skip the high-nitrogen feed and instead dust the seed with a matching rhizobium inoculant at sowing.
Water steadily
Keep the root zone evenly moist through establishment. A 2–3 inch mulch layer holds moisture without waterlogging.
Be patient, then harvest
Prune annually while the tree establishes; fruit trees reward patience with years of harvest. Local Extension guides publish per-cultivar bearing-age tables.
Good to know
One caution for pet owners — mimosa is toxic to dogs and cats (mild severity). Keep it out of reach, and call ASPCA Animal Poison Control at (888) 426-4435 in an emergency. (Source: Pet Poison Helpline.)
Mimosa offers moderate value to bees and other pollinators.
Where Mimosa thrives
Mimosa is hardy across USDA zones 6 through 9. Zone is only the starting point, though: the soil pH, drainage, and frost dates on your specific land decide how well it actually does.
Zones 6–9·Where Mimosa growsOpen map →
On USDA hardiness-zone overlap, Mimosa can grow in these states:
See if Mimosa will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether mimosa actually takes — we score it against the real conditions at your address.
Three things about your exact spot that zone averages miss:
We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.
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Frequently Asked Questions
Can I grow Mimosa in my zone?
Mimosa grows in USDA hardiness zones 6 through 9 (USDA PHZM 2023). Zone is one factor — soil pH, drainage, and frost dates on your specific parcel also shape whether it takes.
When should you plant Mimosa?
Set mimosa out in early spring or fall while it's dormant, so the roots establish before the heat of summer. Your local last-frost date — which a Growable Ground report pulls for your exact address — sets the precise window.
How much sun does Mimosa need?
Mimosa needs full sun — a spot that catches at least 6 hours of direct summer sun a day. In more shade it still grows, but usually gives a smaller, later crop. The catch is that a yard rarely gets even light everywhere — a fence, the house, or one tall tree can quietly take those hours. A Growable Ground report reads the real sun-hours across your land, canopy and buildings included, so you can pick the brightest bed before you plant.
What soil does Mimosa need?
Mimosa prefers soil pH 4.5 to 8.5, on well-drained ground (FAO ECOCROP). Your report scores your parcel's actual soil against that using USDA SSURGO data.
Does Mimosa attract pollinators?
Yes — mimosa's flowers are a solid nectar source for honeybees, native bees, and butterflies.
Is Mimosa safe for pets?
Mimosa is toxic to pets (dogs,cats) with mild severity. Keep it out of reach, and call ASPCA Animal Poison Control at (888) 426-4435 in an emergency. (Source: Pet Poison Helpline.)