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PlantFiles: Spineless Caper
Capparis spinosa

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Family: Capparaceae
Genus: Capparis (KAP-ar-iss) (Info)
Species: spinosa (spy-NO-suh) (Info)

Synonym:Capparis inermis
Synonym:Capparis rupestris
Synonym:Capparis spinosa var. inermis
Synonym:Capparis spinosa subsp. rupestris

2 vendors have this plant for sale.

23 members have or want this plant for trade.

Category:
Edible Fruits and Nuts
Herbs
Perennials
Shrubs

Height:
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

Spacing:
Unknown - Tell us

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
Sun to Partial Shade

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

Bloom Color:
Pale Pink
White/Near White

Bloom Time:
Mid Spring
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Blooms repeatedly

Foliage:
Unknown - Tell us

Other details:
Unknown - Tell us

Soil pH requirements:
Unknown - Tell us

Patent Information:
Non-patented

Propagation Methods:
From leaf cuttings
From herbaceous stem cuttings
From seed; direct sow outdoors in fall

Seed Collecting:
Unknown - Tell us

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Profile:

1 positive
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral gooley On Jun 18, 2008, gooley from Hawthorne, FL (Zone 8b) wrote:

Seems nearly impossible from seed, which is the only way I've seen to get a plant (perhaps I need to look harder). Perhaps gibberellic acid will work. Cold-stratification regimens I have tried have been unsuccessful.

Positive dovey On Sep 7, 2005, dovey from Columbus, OH (Zone 5b) wrote:

Propagation
Plants are grown from seed and by vegetative cuttings.
From seed:
Caper seeds are miniscule and are slow to nurture into transplantable seedlings. Fresh caper seeds germinate readily - but only in low percentages. Dried seeds become dormant and are notably difficult to germinate and therefore require extra measures to grow. Dried seeds should be initially immersed in warm water (40C or 105F ) and then let soak for 1 day. Seeds should be wrapped in a moist cloth, placed in a sealed glass jar and kept in the refrigerator for 2 - 3 months. After refrigeration, soak the seeds again in warm water overnight. Plant the seeds about 1 cm deep in a loose well drained soil media. Young caper plants can be grown in a greenhouse (preferable minimum temperature of 10C or 50F).

Stem Cuttings:
Collect cuttings in February, March or April. Use stems from the basal portions, greater than 1 cm diameter and 8 cm in length with 6-10 buds. Use a loose well drained media with bottom heat. A dip in a IBA solution of 1.5 to 3.0 ppm is recommended (15 seconds). A 70% rooting percentage would be considered good.

Regional...

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

Palo Alto, California
Sarasota, Florida



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