Species Lilium, Humboldt's Lily
Liliumhumboldtii

Synonym:Lilium bloomerianum

Synonym:Lilium californicum

Synonym:Lilium puberulum

Synonym:Lilium robinsonianum

Height

Spacing
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)

Hardiness
6-9 in. (15-22 cm)

Sun Exposure
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
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)

Bloom Color
Light Shade

Bloom Time

Foliage
Red-Orange
Gold (yellow-orange)

Other details
Mid Summer

Propagation Methods
Herbaceous

Seed Collecting

Soil pH requirements
By dividing the bulb's scales
From seed; stratify if sowing indoors

Patent Information

Division

Flower Shape

Flower Habit

Bloom Size

Color Pattern
Bulbs

Foliage Color

Bloom Characteristics

Water Requirements

Where to Grow