Photo by Melody

PlantFiles: Onion Grass
Romulea rosea

Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Romulea (rom-YOO-lee-uh) (Info)
Species: rosea (RO-zee-uh) (Info)


under 6 in. (15 cm)

Unknown - Tell us

Unknown - Tell us

Sun Exposure:
Full Sun
Sun to Partial Shade

Unknown - Tell us

Bloom Color:

Bloom Time:
Mid Spring

Unknown - Tell us

Other details:
May be a noxious weed or invasive

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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Thumbnail #1 of Romulea rosea by kennedyh

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No positives
1 neutral
No negatives

Gardeners' Notes:

Neutral Taquarista On Mar 17, 2007, Taquarista from Santa Cruz, CA (Zone 9b) wrote:

This plant is becoming common as an invasive weed in several parts of Central California- it just carpets a dry, clayey hillside at my aunt's place in Watsonville. I can't quite bear to give it a negative rating though, because it is just so cute! It is very small, maybe 3 or 4 inches tall, and seems to get done with its business of flowering (cute little pink things) and seed production before the spring and summer growing season begins in earnest. So even if it is invasive around California, I don't think it's ever going to become a serious problem in cultivated areas, or for that matter possibly not even in the wild, as it doesn't really seem to out-compete anything, just pops up in disturbed places in the springtime.


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

Amesti, California

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