Castor Bean, Caster Oil Plant, Mole Bean, Higuera Infernal
Ricinus communis 'Zanzi Palm'

Family: Euphorbiaceae (yoo-for-bee-AY-see-ee) (Info)
Genus: Ricinus (RISS-i-nus) (Info)
Species: communis (KOM-yoo-nis) (Info)
Cultivar: Zanzi Palm

Category:

Annuals

Tropicals and Tender Perennials

Height:

10-12 ft. (3-3.6 m)

12-15 ft. (3.6-4.7 m)

15-20 ft. (4.7-6 m)

Spacing:

24-36 in. (60-90 cm)

36-48 in. (90-120 cm)

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:

Full Sun

Danger:

All parts of plant are poisonous if ingested

Handling plant may cause skin irritation or allergic reaction

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

Bloom Color:

Unknown - Tell us

Bloom Time:

Late Summer/Early Fall

Foliage:

Grown for foliage

Other details:

Drought-tolerant; suitable for xeriscaping

Average Water Needs; Water regularly; do not overwater

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

Patent Information:

Unknown - Tell us

Propagation Methods:

From seed; direct sow after last frost

Seed Collecting:

Collect seedhead/pod when flowers fade; allow to dry

Allow pods to dry on plant; break open to collect seeds

Wear gloves to protect hands when handling seeds

Properly cleaned, seed can be successfully stored

Regional

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

Hulbert, Oklahoma

Gardeners' Notes:

1
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0
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RatingContent
Positive

On Nov 7, 2010, WUVIE from Hulbert, OK (Zone 7a) wrote:

This particular castor bean grew beyond our expectations. Typically, the larger the seed, the larger the plant, but in the case of the Zanzi Palm (not to be confused with Zanzibar or Zanzibariensis) the seed to plant size does not ring true.

The seeds of the Zanzi palm were smaller than any other seed we've grown, and yet the plants were very large, growing trunks much like a tree. The first week of November brought frosts which turned the foliage to spinach, but the plants remain strong, determined to fight it out. Sadly, they won't endure much longer, and the cold will get the best of them.

Definitely a candidate for starting early in the greenhouse, as they require a very long growing season. We are only now seeing large clusters of seed atop the plants, w... read more