Botanical Interests, Inc.
Castor Bean Impala
Botanical Name: Ricinus communis
Native: Probably Africa
Hardiness: Perennial in USDA zones 8-11; otherwise treated as an annual
Plant Dimensions: 4'–6' tall
Variety Information: Creamy yellow flowers followed by prickly scarlet husks that contain brown, speckled seeds.
Exposure: Full sun
Bloom Period: Summer to frost
Attributes: Deer Resistant, Drought Tolerant, Heat Tolerant
When to Sow Outside: RECOMMENDED. 1 to 2 weeks after your average last frost date.
When to Start Inside: 6 to 8 weeks before your average last frost date, but because it grows so fast, we recommend sowing outside.
Days to Emerge: 15–21 days
Seed Depth: 1"
Seed Spacing: 2 seeds every 4'
Thinning: When 3" tall, thin to 1 every 4'
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