Photo by Melody

PlantFiles: Karoo Cycad
Encephalartos lehmannii

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Family: Zamiaceae
Genus: Encephalartos (en-sef-uh-LAR-tos) (Info)
Species: lehmannii (lay-MAH-nee-eye) (Info)

6 members have or want this plant for trade.

Category:
Cycads

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

Spacing:
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)

Hardiness:
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:
Full Sun

Danger:
Seed is poisonous if ingested
All parts of plant are poisonous if ingested
Plant has spines or sharp edges; use extreme caution when handling

Bloom Color:
Inconspicuous/none

Bloom Time:
N/A

Foliage:
Grown for foliage
Evergreen
Silver/Gray
Leathery-Textured

Other details:
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
This plant is fire-retardant
This plant is resistant to deer

Soil pH requirements:
Unknown - Tell us

Patent Information:
Non-patented

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; germinate in vitro in gelatin, agar or other medium

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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There are a total of 31 photos.
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Profile:

3 positives
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive vossner On Mar 13, 2014, vossner from Richmond, TX (Zone 9a) wrote:

Growing inground in my z9a garden. It is a very small plant, which was planted Fall 2013 and survived are unusually cold and long (for our area) winter. It will be years before its blue coloration offers the dramatic effect I am looking for in this area of my garden.

Positive bepah On Sep 27, 2013, bepah from Brentwood, CA (Zone 9b) wrote:

Most small E. lehmannii are propagated from seed. The descriptions of this plant needs an update.

Positive palmbob On Oct 3, 2003, palmbob from Acton, CA (Zone 8b) wrote:

This is one of the bluest cycads you can find (though there are some green forms). It has almost pure silvery leaves if grown in hot, full sun. Though the leaflets are very sharp and stiff at the tip, they are simple so they don't tend to hook or grab you as you walk by as some of the other blue cycads will. It's pretty slow growing and a plant with any visible caudex/trunk is considered a showpiece.

Regional...

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

Brentwood, California
Carlsbad, California
Spring Valley, California
Thousand Oaks, California
Torrance, California
Cayce, South Carolina
Richmond, Texas



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