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PlantFiles: Trout Lily, Dog's Tooth Violet, Fawn Lily
Erythronium californicum

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Family: Liliaceae (lil-ee-AY-see-ee) (Info)
Genus: Erythronium (er-ih-THROH-nee-um) (Info)
Species: californicum (kal-ih-FOR-nik-um) (Info)

12 members have or want this plant for trade.

Category:
Bulbs
Perennials

Height:
6-12 in. (15-30 cm)

Spacing:
3-6 in. (7-15 cm)

Hardiness:
USDA Zone 3a: to -39.9 C (-40 F)
USDA Zone 3b: to -37.2 C (-35 F)
USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
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)

Sun Exposure:
Light Shade
Partial to Full Shade

Danger:
Handling plant may cause skin irritation or allergic reaction

Bloom Color:
Orange
Brown/Bronze
Cream/Tan

Bloom Time:
Mid Spring
Late Spring/Early Summer

Foliage:
Herbaceous
Mottled

Other details:
Requires consistently moist soil; do not let dry out between waterings

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

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By KMAC
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Profile:

2 positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive SierraFlower On Jul 23, 2008, SierraFlower from Paradise, CA wrote:

These grow wild and prolifically in this area. They are found in masses growing in shady but dry limestone outcroppings. Their delicate flowers are most spectacular up close, and in mass. Relatively easy in culture, mine was roughly transplanted from the crevice of a rock.

Mostly they are propagated by seeds, but every so often it will divide. Mine has a division, this is it's second season and the division still doesn't bloom.

Positive kayaker On Jan 30, 2005, kayaker from Milton, VT (Zone 4a) wrote:

Seed - best sown as soon as it is ripe in a shady position in a cold frame. Water lightly in summer, it should germinate in autumn or winter. Stored seed requires a period of cold stratification. Sow as early in spring as possible in a cold frame. Sow the seed thinly so that it will not be necessary to prick them out for their first year of growth. Give an occasional liquid feed to the seedlings to make sure that they do not become nutrient deficient. When the plants are dormant, pot up the small bulbs putting 2 - 3 bulbs in each pot. Grow them on in a shady position in the greenhouse for another 2 3 years and then plant them out into their permanent positions when they are dormant in late summer. Division of the bulbs in the summer as the leaves die down. Larger bulbs can be replanted immediately into their permanent positions, but it is best to pot up smaller bulbs and grow them on in a shady position in a greenhouse for a year before planting them out when dormant in late summer.

Neutral mystic On Nov 11, 2002, mystic from Ewing, KY (Zone 6a) wrote:

Plant bulbs 4 inches deep in autumn in fertile, well drained soil that does not dry out. Bulbs need to be damp during storage and before planting.

Regional...

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

Decatur, Alabama
Paradise, California (2 reports)
Fremont, Ohio
Clackamas, Oregon
Dallas, Oregon
Salem, Oregon
Coopersburg, Pennsylvania
Norristown, Pennsylvania
Wynnewood, Pennsylvania
Menasha, Wisconsin



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