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PlantFiles: Agave, Century Plant, American Aloe, Maguey
Agave americana subsp. protamericana

 
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Family: Agavaceae (ah-gav-AY-see-ee) (Info)
Genus: Agave (a-GAH-vee) (Info)
Species: americana subsp. protamericana

One member has or wants this plant for trade.

Category:
Alpines and Rock Gardens
Cactus and Succulents

Height:
under 6 in. (15 cm)
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
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:
8-10 ft. (2.4-3 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)
USDA Zone 11: above 4.5 °C (40 °F)

Sun Exposure:
Sun to Partial Shade

Danger:
Plant has spines or sharp edges; use extreme caution when handling

Bloom Color:
Bright Yellow

Bloom Time:
Unknown - Tell us

Foliage:
Succulent

Other details:
Drought-tolerant; suitable for xeriscaping
This plant is monocarpic

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow after last frost

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

Profile:

1 positive
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorComment
Positive jessmerritt On Jul 6, 2005, jessmerritt from Roswell, NM (Zone 7b) wrote:

If this is agave americana protoamericana, it is cold hardy to zone 7. I have several growing in my yard and it's quite popular as a landscape plant here. It gets almost as tall as agave americana. The leaves on this tend to be slightly wider and shorter than agave americana creating a nice urn shape.

Neutral htop On Feb 8, 2005, htop from San Antonio, TX (Zone 8b) wrote:

I have not grown this plant. This is a very large ornamental plant. Most Agave experts believe it to be the possible prototype of Agave americana. It is native to Nuevo Leon, San Luis Potosi, Tamaulipas, Texas. It is not frost tolereant.



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