Pycnostachys, Hedgehog Sage

Pycnostachysurticifolia

Family
Lamiaceae (lay-mee-AY-see-ee)
Genus
Pycnostachys (pik-no-STAK-iss)
Species
urticifolia (ur-tik-ih-FOH-lee-uh)
Synonym
Sun Exposure
Sun to Partial Shade
Foliage
Deciduous
Herbaceous
Shiny/Glossy
Succulent
Height
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
Spacing
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
Hardiness
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)
USDA Zone 11: above 4.5 °C (40 °F)
Danger
N/A
Bloom Color
Medium Blue
Blue-Violet
Bloom Time
Mid Fall
Late Fall/Early Winter
Mid Winter
Other Details
Category
Shrubs
Tropicals and Tender 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
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Propagation Methods
From softwood cuttings
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
Seed Collecting
Bag seedheads to capture ripening seed
Allow seedheads to dry on plants; remove and collect seeds
Regional

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

Anthem, Arizona

Arroyo Grande, California

Long Beach, California

Richmond, California

Fort Lauderdale, Florida

Pepeekeo, Hawaii

Austin, Texas

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Gardener's Notes:

3
positives
0
neutral
0
negative
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J
Collierville, TN | October 2019 | positive

It’s blooming in my garden now. Love the beautiful spiky flowers!

D
Prescott, AZ (Zone 7b) | December 2016 | positive

I'm in 8b/9a and have had good luck getting this plant to thrive. I'm hoping I get some seedlings I can transplant out into a sunnier lo...Read More

R
(Zone 1) | June 2014 | positive

Hedgehog Sage (Pycnostachys urticifolia) is an evergreen, aromatic, perennial shrub occurring naturally in South Africa. It can reach upw...Read More

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