Photo by Melody

PlantFiles: Humboldt's Lily
Lilium humboldtii

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Family: Liliaceae (lil-ee-AY-see-ee) (Info)
Genus: Lilium (LIL-ee-um) (Info)
Species: humboldtii (hum-BOLD-tee-eye) (Info)

Synonym:Lilium bloomerianum
Synonym:Lilium humboldtii var. bloomerianum
Synonym:Lilium humboldtii subsp. humboldtii

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9 members have or want this plant for trade.

Division:
9 - Species

Flower Habit:
(c) Down-facing

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

Spacing:
6-9 in. (15-22 cm)

Hardiness:
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)

Sun Exposure:
Light Shade

Bloom Color:
Red-Orange
Gold (Yellow-Orange)

Bloom Time:
Mid Summer

Flower Shape:
Recurved

Bloom Size:
6" to 12" (151 mm to 300 mm)

Color Pattern:
Spotted

Foliage:
Herbaceous

Other details:
Flowers are fragrant
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings

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

Patent Information:
Non-patented

Propagation Methods:
By dividing the bulb's scales
From seed; stratify if sowing indoors

Seed Collecting:
Unknown - Tell us

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to view:

By Kelli
Thumbnail #1 of Lilium humboldtii by Kelli

By Kelli
Thumbnail #2 of Lilium humboldtii by Kelli

By Kelli
Thumbnail #3 of Lilium humboldtii by Kelli

By Kelli
Thumbnail #4 of Lilium humboldtii by Kelli

By Kelli
Thumbnail #5 of Lilium humboldtii by Kelli

By JnR05
Thumbnail #6 of Lilium humboldtii by JnR05

By EAVillager
Thumbnail #7 of Lilium humboldtii by EAVillager

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive wolfforce58 On Aug 15, 2011, wolfforce58 from Lake of the Pines, CA wrote:

My friend and I recently discovered that this plant grows near our home town wildly. It may also be found in select parts of Grass Valley, California, near the Bear River. Placer County seems to have some good habitat for it to grow.

Regional...

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

Grass Valley, California
Lake Nacimiento, California
Malibu, California
Atlanta, Georgia
Butler, Pennsylvania



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