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Plant Informational Database

Tree Grape

Cyphostemma juttae

a.k.a. Namibian Grape

A strange, slow growing succulent relative of the common grape. Also noteworthy for its prominent caudex, making the plant popular with collectors. Bears red fruits that look a bit like grapes but are poisonous, so do not eat.

Seed Availability

Seeds are not available for the Tree Grape. Please visit our seed store to view current selections. Seeds were last available in July 2017.

Description

Succulent-like plant growing to usually six feet tall.

Hardiness

Hardy to around 28-30F.

Growing Environment

Enjoys a subtropical, arid climate. Water sparingly, especially when not in a growth stage.

Propagation

Usually by seeds.

Germination Info

Cyphostemma seeds show very slow and erratic germination. Plant seeds 1/2-1" deep in moist, sterile soil. Keep soil temperature consistent at 70-85F, with some day/variation in this range. Cool soils will significantly delay seed germination time if not inhibit germination altogether. Because seeds need a very long time for germination, take care to use sterile soil, do not re-use soil that was used for other plantings. It is also recommended seeds be germinated in a high humidity environment so constant watering is not necessary. Either germinate seeds in a greenhouse or make a temporary "greenhouse" by covering containers with plastic wrap, or by putting containers inside a ziplock bag. Monitor for fungal growth and air out if/when necessary.

Estimated germination time under optimal conditions: Germination tends to be slow and erratic. 6-12 months, sometimes up to 24 months.

Uses

Popular as an ornamental.

Native Range

Native to South Africa and Namibia.

Additional Pictures

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Related Species

Vitaceae  
Cyphostemma juttae
Tree Grape
Vitis californica
California Wild Grape