Vitis californica

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Vitis californica
Light:Full Sun Part Shade
Moisture:Xeric Mesic
Hardiness:7
Soil pH:5.6-8.4
Height:30'
Speed:Moderate
Blooms:Early Summer-Mid Summer
Native to:
Edible Rating:PFAF Edibility RatingPFAF Edibility Rating
Tea:Yes
Poisonous

Vitis californica (common name: california grape)

Propagation: Seed - best sown in a cold frame as soon as it is ripe[K]. Six weeks cold stratification improves the germination rate, and so stored seed is best sown in a cold frame as soon as it is obtained. Germination should take place in the first spring, but sometimes takes another 12 months. Prick out the seedlings into individual pots when they are large enough to handle and grow them on in a cold frame for their first winter. Plant out in early summer.

Cuttings of mature wood of the current seasons growth, December/January in a frame. These cuttings can be of wood 15 - 30cm long or they can be of short sections of the stem about 5cm long with just one bud at the top of the section. In this case a thin, narrow strip of the bark about 3cm long is removed from the bottom half of the side of the stem. This will encourage callusing and the formation of roots. Due to the size of these cuttings they need to be kept in a more protected environment than the longer cuttings.

Layering.

Cultivation: Prefers a deep rich moist well-drained moderately fertile loam[1][2]. Grows best in a calcareous soil[2]. Succeeds in sun or partial shade though a warm sunny position is required for the fruit to ripen[2].

The young growth in spring can be damaged by late frosts.

Plants climb by means of tendrils[3].

Any pruning should be carried out in winter when the plants are dormant otherwise they bleed profusely[3][2].

Plants in this genus are notably susceptible to honey fungus[2].

Range: South-western N. America - Oregon to California.

Habitat: Stream banks and canyons below 1200 metres[4].

Edibility: Fruit - raw, cooked or dried for winter use[5][6][7][8]. It can also be made into jellies, pies etc[9]. The fruit is quite juicy but is very small. The fruit is about 8mm in diameter[2], but it has a thin flesh and is of little value even in America for its fruit[10][2].

Young leaves are wrapped around other foods and then baked, they impart a pleasant flavour.

Young tendrils - raw or cooked. A pleasantly sour snack when eaten raw[9].

Usage: A yellow dye is obtained from the fresh or dried leaves[11].

The roots have been used as a basketry material for basket bottoms[8]. Woody parts of the vines have been used for the rims of large cone-shaped carrying baskets[8].

Smaller vines have been twisted to make a strong rope[8].

Pollinators: Insects

Soil: Can grow in light, medium, and heavy soils.

Drainage: Prefers well drained soil.

Seed Ripens: Early Fall-Mid Fall

Flower Type: Hermaphrodite

Links

References

  1. Chittendon, Fred. RHS Dictionary of Plants. Oxford University Press, 1951.
  2. 2.0 2.1 2.2 2.3 2.4 2.5 2.6 Huxley, Anthony. The New Royal Horticultural Society Dictionary of Gardening. MacMillan Press, 1992.
  3. 3.0 3.1 Thomas, Graham. Ornamental Shrubs, Climbers and Bamboos. Murray, 1992.
  4. Munz, David. A California Flora. University of California Press, 1959.
  5. Tanaka, Tyōzaburō. Tanaka's Cyclopaedia of Edible Plants of the World. Keigaku Publishing, 1976.
  6. Yanovsky, Elias. Food Plants of the North American Indians Publication 237. US Department of Agriculture.
  7. Kunkel, Günther. Plants for Human Consumption. Koeltz Scientific Books, 1984.
  8. 8.0 8.1 8.2 8.3 Moerman, Daniel. Native American Ethnobotany. Timber Press, 1998.
  9. 9.0 9.1 Facciola, Stephen. Cornucopia - A Source Book of Edible Plants. Kampong Publications, 1990.
  10. Bean, William. Trees and Shrubs Hardy in Great Britain. Murray, 1981.
  11. Grae, Ida. Nature's Colors. MacMillan Publishing, 1974.