Photo by Melody

PlantFiles: Downy Rosemyrtle
Rhodomyrtus tomentosa

Family: Myrtaceae (mir-TAY-see-ee) (Info)
Genus: Rhodomyrtus (roh-doh-MIR-tus) (Info)
Species: tomentosa (toh-men-TOH-suh) (Info)

2 members have or want this plant for trade.


4-6 ft. (1.2-1.8 m)

4-6 ft. (1.2-1.8 m)

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


Bloom Color:

Bloom Time:
Late Winter/Early Spring
Mid Spring


Other details:
May be a noxious weed or invasive

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:
Unknown - Tell us

Propagation Methods:
From seed; direct sow after last frost

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Click thumbnail
to view:

By ecrane3
Thumbnail #1 of Rhodomyrtus tomentosa by ecrane3

By ecrane3
Thumbnail #2 of Rhodomyrtus tomentosa by ecrane3

By fairbt
Thumbnail #3 of Rhodomyrtus tomentosa by fairbt


No positives
No neutrals
1 negative

Gardeners' Notes:

Negative MotherNature4 On Nov 17, 2005, MotherNature4 from Bartow, FL (Zone 9a) wrote:

Seed collecting is not recommending because the birds already do an excellent job of spreading this very invasive plant, and they don't need any help from humans.

It was brought to Florida as an ornamental, but like so many exotics we bring in because we think they are pretty, there are no natural controls in our desirable climate. They just reproduce and take over natural areas with huge thickets, allowing nothing else to grow. They are fire resistant, so can't be burned out. Fire only encourages them by killing off their competition and giving them more space to grow.

I should mention that the leaf surface is shiny but the backs are downy, which explains the foliage description.

They are a Category I Exotic Pest Plant in Florida, especially south and central counties. PLEASE DON'T PLANT THEM IN FLORIDA, and you had better be careful elsewhere.


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

West Palm Beach, Florida

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