Photo by Melody

PlantFiles: Ilima, Ilima Papa
Sida fallax

Family: Malvaceae (mal-VAY-see-ee) (Info)
Genus: Sida (SEE-duh) (Info)
Species: fallax (FAL-laks) (Info)

One member has or wants this plant for trade.

Tropicals and Tender Perennials

6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)

Unknown - Tell us

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

Unknown - Tell us

Bloom Color:
Gold (Yellow-Orange)
Bright Yellow

Bloom Time:
Blooms repeatedly


Other details:
This plant is attractive to bees, butterflies and/or birds
Drought-tolerant; suitable for xeriscaping
Flowers are good for drying and preserving

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:

Propagation Methods:
From softwood cuttings
From semi-hardwood cuttings
Direct sow as soon as the ground can be worked

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

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By kkraczek
Thumbnail #1 of Sida fallax by kkraczek

By ilima
Thumbnail #2 of Sida fallax by ilima

By ilima
Thumbnail #3 of Sida fallax by ilima

By ilima
Thumbnail #4 of Sida fallax by ilima

By ilima
Thumbnail #5 of Sida fallax by ilima

By kennedyh
Thumbnail #6 of Sida fallax by kennedyh

By kennedyh
Thumbnail #7 of Sida fallax by kennedyh

There are a total of 17 photos.
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1 positive
1 neutral
No negatives

Gardeners' Notes:

Positive rgarden_cmca On Jul 27, 2011, rgarden_cmca from Costa Mesa, CA wrote:

In Zone 24, coastal SoCal.. The plant has naturalized in our garden over the past 20 years. Velvety, silver-green leaves, yellow flowers. Somewhat deciduous here over winters; best to cut back or even remove older plants annually. You'll have plenty of volunteer seedlings. Not invasive and easy to control. Likes well-drained soil, full sun and moderate water.

Neutral htop On Dec 5, 2007, htop from San Antonio, TX (Zone 8b) wrote:

I have not grown this plant.

Sida fallax is indigenous to Hawai`i and is the flower symbol for Oahu. There are 2 forms. The shrub-like form which is found in upland areas is commonly called 'Ilima kula; whereas, the prostrate vine-like form is found in coastal areas, grows from 6-12 inches tall and is called 'Ilima papa.


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

Costa Mesa, California
Honomu, Hawaii
Kihei, Hawaii

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