Red Spike Amaranth Seeds
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Key Features:
- Feathery Upright Spikes: Produces vibrant magenta-crimson, upright flower spikes with a soft, feathery texture.
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Stunning Dark Foliage: Features deep bronze-purple leaves that provide a rich, dramatic contrast to the bright flower spikes.
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Excellent Cut Flower: Long-lasting fresh cut flowers perfect for adding color, height, and unique texture to large floral arrangements.
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Perfect for Dried Arrangements: Dries beautifully, retaining its vibrant color for months in dried bouquets, wreaths, and crafts.
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Heat & Drought Tolerant: Thrives in hot US summer conditions (Zones 3-11), making it a reliable choice for warm-climate gardens.
Add elegant, feathery texture and rich color to your American garden with our Red Spike Amaranth seeds.
This stunning annual produces vibrant magenta-crimson, feathery flower spikes that grow upright on sturdy stems. The flowers are complemented by dark bronze-purple leaves, creating a striking, moody contrast that adds depth and drama to garden beds and cut flower arrangements. The spikes bloom from mid-summer until the first frost and dry beautifully for year-round crafts.
Whether you are a cut flower grower looking for a unique filler, a gardener wanting a dramatic companion plant for dahlias or zinnias, or a crafter seeking vibrant dried material, Red Spike Amaranth is an excellent choice.
How to Plant – Spacing & Depth:
- Seed Depth: 1/4 to 1/2 inch (6-12mm). Cover lightly with soil.
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Germination Temperature: 65-75°F (18-24°C). Expect seedlings in 7-14 days.
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Plant Spacing:
For dense planting: 12 inches (30 cm) apart.
For best airflow & largest spikes: 18 to 24 inches (45-60 cm) apart. Rows: Space rows 24 to 30 inches (60-75 cm) apart - Sunlight: Full sun (6-8 hours of direct sun is essential for best flower and foliage color).
How to Grow:
- Direct Sow (Recommended): Sow seeds directly outdoors in spring after the last frost date when soil has warmed to at least 60°F (15°C).
- ndoor Start (Optional): Start seeds 4-6 weeks before the last frost date. Use biodegradable pots to avoid disturbing roots during transplanting.
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Transplanting: Harden off seedlings gradually. Transplant outdoors after all danger of frost has passed.
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Maintenance: Water regularly during dry spells, especially when plants are young. Once established, they are very drought tolerant. Apply a balanced fertilizer once a month.
- Harvesting Cut Flowers: Harvest flower spikes when they are fully colored but before they begin to shed pollen. Hang upside down in a dark, dry, well-ventilated area for drying.
- Soil: Prefers well-drained, fertile soil rich in organic matter (pH 6.0-7.5). Tolerates a wide range of soil types.
- Add this elegant, feathery Red Spike Amaranth to your garden today – and enjoy a beautiful, dramatic display from mid-summer to frost!
At our store, we're confident in our products. If seeds don't germinate, please contact us immediately. Each product comes with a worry-free 12-month warranty. If you have any questions or suggestions, please feel free to contact us and we'll provide friendly support within 24 hours.

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1.Cancellation
You can cancel your order within 48 hours of placing your order. Refunds will be issued to your original form of payment, please allow 3-5 business days.
2.Returns
Our return policy is valid for 30 days. If it has been more than 30 days since your purchase, unfortunately, we cannot offer you a refund or exchange.
To be eligible for a return, your item must be unused and in the same condition as when you received it, and must be in its original packaging.
In some cases, we only allow partial refunds (if applicable)
Any item that is not in its original condition, damaged through no fault of ours, or is missing parts
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