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Description
Ribes Divaricatum, commonly known as the Spreading Gooseberry or Coastal Black Gooseberry, is a deciduous shrub that belongs to the Grossulariaceae family. It is native to the Pacific coast of North America and can be found from Alaska to California. This shrub can grow up to 6 feet tall and 8 feet wide. It produces a thicket of branches that can spread outwards, making it an ideal plant for hedging.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Saxifragales |
| Family | Grossulariaceae |
| Genus | Ribes |
Appearance
The Spreading Gooseberry has a unique appearance with its small, round, lobed leaves that are green on the top and pale on the underside. The leaves grow in an alternate pattern on the branches. In late spring, the plant produces small, bell-shaped, pinkish-white flowers that grow in clusters. The flowers are followed by edible, dark purple berries that ripen in late summer. The shrub’s bark is smooth, grayish-brown, and peels in strips.
Care Guide
To care for Ribes Divaricatum, it is essential to provide it with specific growing conditions. Here are some care tips that can help:
Water: The Spreading Gooseberry prefers moist soil, especially during the growing season. Water the plant regularly to maintain the moisture level in the soil.
Fertilization: Fertilize the shrub in early spring with a balanced fertilizer to encourage growth and fruit production.
Soil: The Spreading Gooseberry prefers well-draining soil that is rich in organic matter. The soil pH should be between 6.0 and 7.0.
Sunlight: The shrub thrives in full sun to partial shade. It can tolerate some shade but needs at least six hours of sunlight per day.
Hardiness Zones: The Spreading Gooseberry can grow in USDA hardiness zones 6 to 9.
Common Pests & Diseases
The Spreading Gooseberry can be vulnerable to pests and diseases, including:
Aphids: These small insects can damage the leaves by sucking the sap from the plant. Use insecticidal soap or neem oil to control the infestation.
Powdery mildew: A fungal disease that causes a white, powdery coating on the leaves. Ensure good air circulation around the plant and use a fungicide to control the disease.
Botrytis blight: A fungal disease that causes gray mold on the leaves and fruit. Remove infected parts of the plant and treat with a fungicide.
Habitat
The Spreading Gooseberry is native to the Pacific coast of North America and can be found from Alaska to California. It grows in various habitats, including coastal forests, mountain slopes, and riverbanks. The shrub prefers moist soil and can tolerate some shade.
Question and Answer
Q: Can the Spreading Gooseberry grow in a container?
A: Yes, the plant can grow in a container as long as it is provided with adequate growing conditions, including moist soil, regular watering, and fertilization.
Q: Is the Spreading Gooseberry edible?
A: Yes, the plant produces edible berries that are rich in vitamin C and can be used for making jams, jellies, and pies.
Q: How often should I prune the Spreading Gooseberry?
A: Prune the shrub in late winter or early spring to remove dead or damaged branches and improve its shape. You can also prune it after fruiting to promote new growth and fruit production.
Q: Can the Spreading Gooseberry tolerate drought?
A: No, the plant prefers moist soil and can suffer from drought stress. Water the shrub regularly during dry spells to prevent dehydration.
Related Plants
Here are some related plants to Ribes Divaricatum:
- Ribes Aureum
- Ribes Cereum
- Ribes Lacustre
- Ribes Sanguineum
References
- Dirr, M.A. (2011). Dirr’s Encyclopedia of Trees and Shrubs. Timber Press.
- Reich, L., & Russell, N. (2017). Landscaping with Native Plants of the Pacific Northwest. Timber Press.
- USDA Plants Database. (n.d.). Ribes Divaricatum. Retrieved from https://plants.usda.gov/home/plantProfile?symbol=RIDI
