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Height: 18-24 in. (45-60 cm) 24-36 in. (60-90 cm) 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) 8-10 ft. (2.4-3 m) 10-12 ft. (3-3.6 m)
Hardiness: 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) USDA Zone 11: above 4.5 °C (40 °F)
Sun Exposure: Full Sun Sun to Partial Shade
Danger: Parts of plant are poisonous if ingested
Bloom Color: Inconspicuous/none
Bloom Time: N/A
Foliage: Grown for foliage Evergreen Silver/Gray Blue-Green Smooth-Textured Leathery-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: Non-patented
Propagation Methods: From seed; germinate in a damp paper towel From seed; germinate in vitro in gelatin, agar or other medium
Seed Collecting: Properly cleaned, seed can be successfully stored
On Jun 20, 2007, Cretaceous from El Cerrito, CA (Zone 9b) wrote:
Dioon edule is native to northern and central Mexico (Nuevo Leon, San Luis Potosi, Sonora, Tamaulipas, Guerrero, Hidalgo, Jalisco, Michoacan, Nayarit, Oaxaca, Queretaro, and Veracruz).
It grows in rocky habitats where annual rainfall is 39-59 inches. Grows well here in zone 9b.
On Sep 26, 2003, palmbob from Tarzana, CA (Zone 9b) wrote:
Though this plant is so common, it's hard to get excited about it anymore, still a nice looking older specimen is a great looking plant, so I guess my experience has been positive. I have germinated countless numbers of this species, and they have got to be one of the easiest plants in the world to germinate. The seeds are about a large grape size and hard as a rock, yet somehow that little eophyl makes its way out into the soil.
Like most all Dioons, this is a Mexican native, and is not threatened at this time (unlike about all other members of the genus). It is readily found in most nurseries in Southern California and is quite hardy here. It is a very adaptable plant to just about any soil except muddy, non-draining clay (and even then it will sometimes survive.. but usually rots). The leaves are very stiff, blue-green, to sea-green, to green-green and each leaflet is simple and ends in a sharp spine. Just about all the other Dioon species have more complex leaflets, or they are not arranged on a flat plane like these are. The caudex tends to grow quite slowly and a plant with 1 foot of stem can be quite old (20-40 years+).
There are several varieties of Dioon edule, and some put these varieties in different species categories. Most all look about the same except for minor variations in the leaf pattern.
Regional...
This plant has been said to grow in the following regions:
El Cerrito, California Hayward, California Thousand Oaks, California Wildomar, California Fruitland Park, Florida Loxahatchee, Florida Windermere, Florida Las Vegas, Nevada Fayetteville, North Carolina Cayce, South Carolina Charleston, South Carolina Cedar Park, Texas
2 vendors have this plant for sale.
