Delphinium Species, Red Larkspur, Orange Larkspur, Canyon Delphinium, Christmashorns

Delphiniumnudicaule

Family
Ranunculaceae (ra-nun-kew-LAY-see-ee)
Genus
Delphinium (del-FIN-ee-um)
Species
nudicaule (new-dee-KAW-lee)
Synonym
Delphinastrum nudicaule
Delphinium sarcophyllum
Sun Exposure
Full Sun
Foliage
Herbaceous
Smooth
Height
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
Spacing
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)
Hardiness
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)
Danger
All parts of plant are poisonous if ingested
Bloom Color
Red
Red-Orange
Bright Yellow
Bloom Time
Mid Summer
Other Details
Category
Alpines and Rock Gardens
Annuals
Perennials
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
By dividing the rootball
From seed; sow indoors before last frost
Seed Collecting
Regional

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

Salt Lake City, Utah

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Gardener's Notes:

0
positive
2
neutrals
0
negative
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N
Sparks, NV (Zone 7a) | May 2005 | neutral

I'm trying this in the area where I grow all my Delphiniums--in dryish shade in rocks over clay loam. The others do well there, so I have hopes.

B
B
Baa
| June 2002 | neutral

A very short lived perennial from California USA.

Has rounded, lobed, mid green leaves. Bears funnel shaped red, orange or...Read More

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