Psilostrophe Species, Paper Flower

Psilostrophecooperi

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Psilostrophe (sy-loh-STROH-fee)
Species
cooperi (koo-PER-ee)
Synonym
Riddellia cooperi
Sun Exposure
Full Sun
Sun to Partial Shade
Light Shade
Foliage
Succulent
Height
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
Spacing
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 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)
Bloom Color
Bright Yellow
Bloom Time
Mid Spring
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Late Fall/Early Winter
Blooms repeatedly
Other Details
Category
Groundcovers
Perennials
Shrubs
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
From seed; direct sow outdoors in fall
Seed Collecting
Bag seedheads to capture ripening seed
Allow seedheads to dry on plants; remove and collect seeds
Regional

This plant is said to grow outdoors in the following regions:

Phoenix, Arizona

Tucson, Arizona

Yucca Valley, California

Las Vegas, Nevada

Columbus, New Mexico

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Gardener's Notes:

1
positive
1
neutral
0
negative
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Phoenix, AZ (Zone 9b) | February 2005 | positive

I've also found this growing wild near Tuscon, AZ vicinity.

M
M
Benton, KY (Zone 7a) | February 2005 | neutral

Many well-branched leafy stems, wooly at the base, forming a nearly roundmplant covered with loose wool and bearing a yellow flower head ...Read More

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