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PlantFiles: Cycad
Dioon purpusii

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Family: Zamiaceae
Genus: Dioon (dy-OH-awn) (Info)
Species: purpusii (pur-PUSS-ee-eye) (Info)

2 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)
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)

Spacing:
4-6 ft. (1.2-1.8 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)

Sun Exposure:
Sun to Partial Shade

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
Smooth-Textured

Other details:
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
This plant may be considered a protected species; check before digging or gathering seeds
This plant is fire-retardant
This plant is resistant to deer

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)
From seed; germinate in vitro in gelatin, agar or other medium

Seed Collecting:
Unknown - Tell us

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By palmbob
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There are a total of 14 photos.
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Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive palmbob On Jan 1, 2004, palmbob from Acton, CA (Zone 8b) wrote:

This is one of the best looking Dioons, or cycads in general. This Mexican native forms a nice, usually straight and eventually tall trunk (in several hundred years) up to 15' tall. It holds a lot of leaves with perfectly spaced, thin, lancelot leaflets basically on nearly a flat plane (as opposed to the similar looking D califanoi which has keeled leaves).

Regional...

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

Thousand Oaks, California
Venice, Florida



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