Coulter's Globemallow

Sphaeralcea coulteri

Native to:
Mexico, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Malvaceae
Genus:
Sphaeralcea
Species:
Sphaeralcea coulteri
USDA Symbol:
SPCO2

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb , Subshrub
Height:
100 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
feb,mar,apr,may,jun
Bloom Colors:
orange, red, pink

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)

Keystone Species Ranking

Pollen Specialist Bee Keystone:
★★★★☆ Native pollen specialist bee species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Deer Resistant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts from root crown following fire. Common in desert scrub communities with periodic fire.

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 8.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to arid regions, prefers dry conditions

Propagation & Germination

Stratification:
None required
Scarification:
Seed coat scarification required before sowing
Germination Time:
7–30 days
Notes:
Scarification of hard seed coat improves germination. Seeds germinate readily with warm temperatures after scarification.

The above propagation data sourced from Claude AI