Threelobe false mallow
Malvastrum coromandelianum

Family: Malvaceae (mal-VAY-see-ee) (Info)
Genus: Malvastrum (MAL-vas-trum) (Info)
Species: coromandelianum (kor-oh-man-del-ee-AY-num) (Info)

Category:

Annuals

Height:

36-48 in. (90-120 cm)

Spacing:

24-36 in. (60-90 cm)

Hardiness:

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

Danger:

Unknown - Tell us

Bloom Color:

Gold (Yellow-Orange)

Bright Yellow

Bloom Time:

Late Spring/Early Summer

Mid Summer

Late Summer/Early Fall

Mid Fall

Late Fall/Early Winter

Foliage:

Deciduous

Herbaceous

Other details:

May be a noxious weed or invasive

This plant is attractive to bees, butterflies and/or birds

Drought-tolerant; suitable for xeriscaping

Self-sows freely; deadhead if you do not want volunteer seedlings next season

Soil pH requirements:

Unknown - Tell us

Patent Information:

Non-patented

Propagation Methods:

From seed; direct sow outdoors in fall

From seed; winter sow in vented containers, coldframe or unheated greenhouse

From seed; direct sow after last frost

Seed Collecting:

Allow pods to dry on plant; break open to collect seeds

Regional

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

San Antonio, Texas

San Isidro, Texas

Gardeners' Notes:

0
positives
1
neutral
0
negatives
RatingContent
Neutral

On Jan 2, 2009, htop from San Antonio, TX (Zone 8b) wrote:

Threelobe false mallow, three-lobed false mallow, prickly malvastrum (Malvastrum coromandelianum) is an introduced plant that can be found naturalized in Alabama, Florida, Hawaii, Louisiana, Massachusetts, New Jersey, Pennsylvania, Texas, Puerto Rico and the Virgin Islands. It is native to Asia. Threelobe false mallow is an annual or perennial depending upon the location in which it is growing and has a tuberous root. It is considered a subshrub due to its branches becoming woody with age. The yellow to yellowish-orange flowers are produced singly in the leaf axils. Threelobe false mallow, prickly malvastrum (Malvastrum coromandelianum) seed pods (34 mm long, 57 mm wide) have 10-14 segments. Each segment has a shortly awned apex and two smaller lateral awns (slender bristle-like appen... read more