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Castor Bean Seeds - Gibsonii
About...
Castor Bean (Ricinus Communis Gibsonii) - Starting Castor Bean seeds is an easy and fast way to grow this incredibly beautiful annual. The Castor Oil plant is a very useful tropical foliage plant. It is grown from seed annually, easily reaching 5 feet plus in one season.MORE CASTOR BEANS OPTIONS
Flower Specifications
SEASON
Annual
USDA ZONES
5 - 11
HEIGHT
72 inches
BLOOM SEASON
Late summer to early fall
BLOOM COLOR
Red
ENVIRONMENT
Full sun
SOIL TYPE
Well ammended soil, pH 5.8 - 7.0
DEER RESISTANT
Yes
HOUSE PLANT
No
Planting Directions
TEMPERATURE
65 - 70F
AVERAGE GERM TIME
7 - 14 days
LIGHT REQUIRED
Yes
DEPTH
Plant seeds 1/4 inch deep
SOWING RATE
1 - 2 seeds per plant
MOISTURE
Keep soil slightly moist but not wet, avoid soil drying out
PLANT SPACING
36 - 48 inches
NOTE
Seeds are poisonous, DO NOT eat
Excellent For Pollinators
Not only do castor bean plants look exotic, but they help your garden by attracting pollinators to the area.
Impressive Landscape Plant
How to Grow
Castor Bean seeds can be started indoors 6 - 8 weeks before the last frost date or directly outdoors after frost season has passed. It is recommended to soak the Ricinus seeds for 24 hours in water to help break the seed coat. Cover the Castor Bean seed with 1/4 inch of soil and keep moist. Grow the plant in full sun in soil that is rich and has been amended with organic matter. Care of the Castor Bean plant includes staking it as necessary, trimming faded flowers to produce new blooms, and fertilizing every month (or adding a slow-release fertilizer at the time of planting). In the fall after the first frost, remove the plant and discard.
- Environment: full sun
- Soil: well-amended w' pH 5.8-7.0
- Sowing rate: 1-2 seeds per plant
Plant Specifications
Castor bean is an annual flowering woody shrub that grows in USDA zones 5 through 11. It is very fast-growing and is often employed as a temporary shade-producer for the garden in the heat of the summer.
- Bloom color: red
- Bloom season: late summer to early fall
- Plant height: 72 inches
Castor Bean (Ricinus Communis Gibsonii) - Starting Castor Bean seeds is an easy and fast way to grow this incredibly beautiful annual. The Castor Oil plant is a very useful tropical foliage plant. It is grown from seed annually, easily reaching 5 feet plus in one season. Gibsonii produces a tall and dramatic plant with huge dark red leaves and stunning scarlet seed heads. To add an exotic look to your landscape, grow these flower seeds and enjoy this stunning specimen plant.
Castor Bean seeds can be started indoors 6 - 8 weeks before the last frost date or directly outdoors after frost season has passed. It is recommended to soak the Ricinus seeds for 24 hours in water to help break the seed coat. Cover the seed with 1/4 inch of soil and keep moist. Grow the plant in full sun and in soil that is rich and has been amended with organic matter. Care of the Gibson Castor Bean plant would include staking the plant if needed, trimming the faded flowers to produce new blooms, and fertilizing every month (or adding a slow-release fertilizer at the time of planting). In the fall after the first frost, remove the plant and discard.
NOTE: All parts of the plant, including the seeds, are poisonous. Eating the seeds may be fatal. This plant is not recommended if you have small children. Again if you have children that naturally put things into their mouths, you probably should avoid this plant. If you do decide to grow it, educate your children about the dangers of this plant.
Common Questions
Do castor bean plants come back year after year?
If you are planting in USDA Zones 9 – 11 your Castor bean plants will continue to return year after year.
Can you grow castor bean in containers?
Due to their size and quick growth habits it is not advisable to grow in containers.
Will castor bean plants repel mosquitos?
Castor bean plants have been used to repel mosquitos.
Will deer and other animals eat castor bean plants?
Most animals know to stay away from Castor bean plants. They are toxic to animals.
Flower Specifications
SEASON
Annual
USDA ZONES
5 - 11
HEIGHT
36 - 48 inches
BLOOM SEASON
Late summer to early fall
BLOOM COLOR
Yellow
ENVIRONMENT
Full sun
SOIL TYPE
Well ammended soil, pH 5.8 - 7.0
DEER RESISTANT
Yes
HOUSE PLANT
No
Planting Directions
TEMPERATURE
65 - 70F
AVERAGE GERM TIME
7 - 14 days
LIGHT REQUIRED
Yes
DEPTH
1/4 inch
SOWING RATE
1 - 2 seeds per plant
MOISTURE
Keep soil slightly moist but not wet, avoid soil drying out
PLANT SPACING
24 - 36 inches
NOTE
Seeds are poisonous, DO NOT eat
Excellent For Pollinators
Not only do castor bean plants look exotic, but they help your garden by attracting pollinators to the area.
Impressive Landscape Plant
How to Grow
Castor Bean seeds can be started indoors 6 - 8 weeks before the last frost date or directly outdoors after frost season has passed. It is recommended to soak the Ricinus seeds for 24 hours in water to help break the seed coat. Cover the Castor Bean seed with 1/4 inch of soil and keep moist. Grow the plant in full sun in soil that is rich and has been amended with organic matter. Care of the Castor Bean plant includes staking it as necessary, trimming faded flowers to produce new blooms, and fertilizing every month (or adding a slow-release fertilizer at the time of planting). In the fall after the first frost, remove the plant and discard.
- Environment: full sun
- Soil: well-amended w' pH 5.8-7.0
- Sowing rate: 1-2 seeds per plant
Plant Specifications
Castor bean is an annual flowering woody shrub that grows in USDA zones 5 through 11. It is very fast-growing and is often employed as a temporary shade-producer for the garden in the heat of the summer.
- Bloom color: yellow
- Bloom season: late summer to early fall
- Plant height: 36-48 inches
Castor Bean (Ricinus Communis Impala) - To add this unique tropical annual to your landscape, start Castor Bean seeds and be amazed at how fast this plant grows! Impala is tall and dramatic with huge copper-red leaves and clusters of creamy yellow blooms, followed by maroon pods. This evergreen tropical shrub can grow so fast that it can be used as a very large and dramatic annual in the garden. Castor Oil plants are remarkably architectural and can be used very effectively in the center of island beds or at the back of large borders.
Castor Bean seeds can be started indoors 6 - 8 weeks before the last frost date or directly outdoors after frost season has passed. It is recommended to soak the Ricinus seeds for 24 hours in water to help break the seed coat. Cover the flower seeds with 1/4 inch of soil and keep moist. Grow the plant in full sun and in soil that is rich and has been amended with organic matter. Care of the Impala Castor Bean plant would include staking the plant if needed, trimming the faded flowers to produce new blooms, and fertilizing every month (or adding a slow-release fertilizer at the time of planting). In the fall after the first frost, remove the plant and discard.
NOTE: All parts of the plant, including the seeds, are poisonous. Eating the seeds may be fatal. This plant is not recommended if you have small children. Again if you have children that naturally put things into their mouths, you probably should avoid this plant. If you do decide to grow it, educate your children about the dangers of this plant.
Common Questions
Do castor bean plants come back year after year?
If you are planting in USDA Zones 9 – 11 your Castor bean plants will continue to return year after year.
Can you grow castor bean in containers?
Due to their size and quick growth habits it is not advisable to grow in containers.
Will castor bean plants repel mosquitos?
Castor bean plants have been used to repel mosquitos.
Will deer and other animals eat castor bean plants?
Most animals know to stay away from Castor bean plants. They are toxic to animals.
Flower Specifications
SEASON
Annual
USDA ZONES
3 - 11
HEIGHT
96 inches
BLOOM SEASON
Mid summer to mid fall
BLOOM COLOR
Green
ENVIRONMENT
Full sun
SOIL TYPE
Well ammended soil, pH 5.8 - 7.0
DEER RESISTANT
Yes
HOUSE PLANT
No
Planting Directions
TEMPERATURE
65 - 70F
AVERAGE GERM TIME
7 - 14 days
LIGHT REQUIRED
Yes
DEPTH
1/4 inch
SOWING RATE
1 - 2 seeds per plant
MOISTURE
Keep soil slightly moist but not wet, avoid soil drying out
PLANT SPACING
72 inches
NOTE
Seeds are poisonous, DO NOT eat
Castor Bean (Ricinus Communis Zanzibariensis) - Here is another incredible tropical annual that can be grown from Castor Bean seeds to give a dramatic display in the landscape. The Zanzibar plant achieves massive sizes in a single growing season, but it is not tolerant of frost, so in most areas it is grown as an annual.
NOTE: All parts of the plant, including the seeds, are poisonous. Eating the seeds may be fatal. This plant is not recommended if you have small children. Again if you have children that naturally put things into their mouths, you probably should avoid this plant. If you do decide to grow it, educate your children about the dangers of this plant.
Used for Castor Oil
Castor Bean seeds are pressed for Castor Oil, and used in many animal repellents. This variety is the largest of the Ricinus plants, and it comes from Zanzibar, a small island off the coast of eastern Africa.
Castor bean seed | zanzibariensis
How to grow
How To Grow Castor Bean From Seed: Castor Bean seeds can be started indoors 6 - 8 weeks before the last frost date or directly outdoors after frost season has passed. It is recommended to soak the Ricinus seeds for 24 hours in water to help break the seed coat. Cover the flower seed with 1/4 inch of soil and keep moist.
Grow the plant in full sun and in soil that is rich and has been amended with organic matter. Care of the Zanzibar Castor Bean plant would include staking the plant if needed and fertilizing every month (or adding a slow-release fertilizer at the time of planting). In the fall after the first frost, remove the plant and discard.
- Sowing Rate: 1 - 2 seeds per plant
- Average Germ Time: 7 - 14 days
- Keep moist until germination
- Attracts bees
- Depth: 1/4 inch
Plant Specifications
Giant Castor Bean plants have huge star-like, bronze-green, serrated leaves that can measure up to 24 inches across. It also has 18 inch, drooping seed stalks that contain the seeds.
- Height: 96 inches
- USDA Zones: 3 - 11
- Season: Annual
- Deer Resistant: Yes