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An image of the plant grown with seed for Castor Bean Ricinus Seeds - Vibrant Green, Giant Foliage, Ideal for Screening & Background Garden Layouts, Wind-Resistant, Non-Edible
  • An image of the plant grown with seed for Castor Bean Ricinus Seeds - Vibrant Green, Giant Foliage, Ideal for Screening & Background Garden Layouts, Wind-Resistant, Non-Edible
Castor Bean Ricinus Seeds - Vibrant Green, Giant Foliage, Ideal for Screening & Background Garden Layouts, Wind-Resistant, Non-Edible
$21.99 CAD
Maturity

90 Days
Sunlight

Partial Shade
Watering

Regular

Difficulty

Medium difficulty
Life cycle

Annual
Grow Zones

9 - 11

Quick Reference

Zones

Plant Hardiness Zones describe the average minimum winter temperature for a region. They tell you where a plant can reliably survive outdoors. For example, Zone 5 can handle colder winters than Zone 9. Matching a plant to your zone increases the chance of long-term success.

Days

  • For food crops: Days to maturity is the expected number of days from planting to first harvest. This helps gardeners plan their growing season and time their harvests.
  • For non-food plants: Days to germination indicates how long it usually takes seeds to sprout under normal conditions. This is key for starting seeds successfully.

Types

  • F1 (Hybrid): A cross between two parent varieties. Hybrids are bred for vigor, uniformity, and specific traits such as disease resistance. Seeds saved from F1 plants don’t grow true to type. That means if you try to regrow them from seed, the plant won't necessarily be the same as last year's
  • OP (Open-Pollinated): Varieties that naturally pollinate and remain stable across generations. Seeds can be saved and replanted with consistent results.
  • HM (Heirloom): An open-pollinated variety that has been handed down for many generations. Heirlooms are valued for flavor, tradition, and genetic diversity.

Grows

  • Outdoors: Well-suited for garden beds, raised beds, or open soil, where natural conditions are stable.
  • Windowsill: Compact plants that thrive in containers indoors, often needing only modest light.
  • Anywhere: Highly adaptable plants that perform reliably in both indoor and outdoor settings.

Lifecycle

  • Annual: Grows, flowers, sets seed, and dies in one growing season. Many vegetables and flowers are annuals.
  • Perennial: Lives for multiple years, regrowing each season after going dormant. Often used in landscaping or long-term food crops.
  • Sp. Perennial (Self-Perennializing): A plant that reseeds itself or self-pollinates, giving the effect of perennial growth even if individual plants live shorter lives.

Size

Indicates the recommended container size or soil depth for best growth.

  • “X″ Pot”: The ideal pot diameter (e.g., 5″ Pot), ensuring enough root space.
  • DS (Deep Soil): Requires planting directly in the ground or in a deep raised bed, as shallow pots restrict growth.
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  • Striking Appearance: Produces the largest green leaves, reaching up to 3 meters (10 feet), perfect for adding drama and height to your garden.
  • Growth Conditions: Prefers well-drained soil and partial shade. Start indoors and transplant outdoors after frost; protect from strong winds.
  • Harvest Period: Fast-growing for quick screening. Plant matures in just one season, offering dense foliage for immediate landscape impact.
  • Culinary Uses: Not applicable for culinary uses as all parts of the plant are toxic if ingested. Strictly ornamental.
  • Hardy and Resilient: Thrives with regular fertilization every two weeks using a 10-52-17 blend and liquid seaweed. Hardy and adaptable in varied garden conditions.

The Castor Bean Ricinus is your go-to choice for creating a lush, tropical atmosphere in your garden. With its giant, vibrant green leaves, this plant is perfect for adding drama and height to any landscape. It's fast-growing, reaching up to 10 feet, making it ideal for quick screening or as a backdrop in garden layouts.

While the Castor Bean is purely ornamental due to its toxic nature, its striking appearance and ease of growth make it a favorite among gardeners looking to make a bold statement. Start your seeds indoors, and once the risk of frost has passed, transplant them outdoors for a stunning addition to your garden. Remember to fertilize regularly to maintain its robust growth and enjoy the beauty of this unique plant all season long.
Size
How much seed do I need?

Seeds per gram: 4
Average germination rate: 85%

Package sizes

  • 15 seeds — 13 plants — covers about 117–156 sq. ft.
  • 50 seeds — 43 plants — covers about 387–516 sq. ft.

Plant growth and coverage

  • Upright, fast-growing, bold-foliage habit; excellent for quick screening and background plantings
  • Height: 1.8–3 m (6–10 ft)
  • Spread: 0.9–1.5 m (3–5 ft)
  • Spacing: 90–120 cm (36–48 in); each plant typically covers about 9–12 sq. ft.
  • Wind-tolerant; thrives in well-drained soil with regular feeding; strictly ornamental and non-edible

Choosing a packet size

  • A 15-seed packet is ideal for home gardeners or small beds needing a quick, seasonal privacy screen or bold focal points, and for trialing in mixed borders.
  • The 50-seed packet suits larger landscapes, community gardens, or designers planning long screens and mass plantings with dramatic, tropical impact.
GROWING INSTRUCTIONS

Start the Castor Bean seeds indoors about 6 weeks before the last expected frost. Plant the seeds in pots, covering them lightly with soil, and keep them in a moist but not overly wet environment. Use two seeds per pot and thin to the strongest seedling when they reach about 2 inches tall.

Once the seedlings are established and the danger of frost has passed, transplant them outdoors. Space them about 6 feet apart in a location that is sheltered from strong winds. Gradually harden off the plants by exposing them to outdoor conditions for a few hours each day over a week.

Castor Beans require regular maintenance for optimal growth. Fertilize every two weeks with a balanced fertilizer and liquid seaweed. Although the plant is toxic and not suitable for consumption, it provides a stunning ornamental display with its large, tropical foliage.
SHIPPING & RETURNS

In Canada, we use fast shipping from our Canadian warehouses. You can expect delivery in 1-3 days.

In the USA, We use our US warehouses, and you can expect your order in 1-3 days, too.

No postaged lettermail or slow shipping from across the world. No customs fees or orders withheld at the border. Tracking numbers for all orders.

We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible. Our return policy covers you for late, damaged or defective products.

 Read Our Shipping & Returns Policy

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