How to Grow Amaranth Inca Gold Velvet Curtains

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Amaranth Inca Gold Velvet Curtains

Amaranthus hypochondriacus

flower

Inca Gold Velvet Curtains is an ornamental amaranth cultivar prized for its dramatic, velvety deep burgundy-red flower spikes that cascade downward like curtains. This tall, striking annual produces dense, rope-like inflorescences and attractive foliage, making it a stunning focal point in gardens and cut flower arrangements. The plants reach 4-6 feet tall and create a bold visual impact throughout the growing season.

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Example Amaranth Inca Gold Velvet Curtains timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Amaranth Inca Gold Velvet Curtains

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First Amaranth Inca Gold Velvet Curtains blooms

    Around Jun 26

    ≈ 70 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Amaranth Inca Gold Velvet Curtains dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily (8+ hours preferred for darkest color)
💧
Water: Moderate watering; drought tolerant once established. Water deeply but allow soil to dry between waterings. Avoid overwatering which reduces vigor.
📏
Spacing: 12-18 inches
📅
Days to maturity: 70-90 days to peak color
🌱
Planting depth: 0.25 inches (surface sown or barely covered)

Soil

Type: Well-draining loamy to sandy soil
pH: 6.0-7.0
Amendments:
compost aged manure perlite for drainage

Growing Zones

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Thrives in zones 2-11; grows best in warm climates but adaptable

2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b

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Growth Stages

1

Seedling

2-3 weeks

Small plants with 2-4 true leaves and distinctive reddish-tinged foliage emerging from soil

Keep soil consistently moist but not waterlogged. Provide bright light. Thin seedlings to proper spacing once 2-3 inches tall.

2

Vegetative Growth

3-4 weeks

Rapid stem elongation with multiple leaves, plant height increasing noticeably; foliage develops deeper red tones

Ensure full sun exposure for best color development. Support tall varieties with stakes if in windy locations. Water regularly but allow some drying between waterings.

3

Flowering Initiation

2-3 weeks

Flower buds form at stem tip and branch terminals; dense, velvety inflorescences begin to emerge

Maintain consistent moisture and full sun. Deadhead spent lower flowers to encourage continued blooming. Can apply balanced fertilizer to support flower production.

4

Peak Bloom

4-6 weeks

Full, dramatic deep burgundy-red cascading flower spikes fully developed, plant at maximum height (4-6 feet), rich color saturation achieved

This is the prime display period. Monitor for pests. Harvest cut flowers regularly to encourage more blooms. Maintain moderate watering.

5

Seed Set & Decline

3-4 weeks until frost

Flowers fade to russet tones, seeds develop in flower head, foliage may yellow slightly

Allow some flower heads to mature for seed collection if desired. Remove plants before they drop too many seeds if self-seeding is undesired.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

beans brassicas (cabbage family) fennel

Common Pests

  • Spray with strong water stream, use insecticidal soap, introduce ladybugs, or use neem oil

  • Increase humidity, spray with water, apply neem oil or miticide, ensure adequate spacing for air circulation

  • Use row covers when young, hand-pick, apply kaolin clay spray, or use spinosad

  • Apply neem oil or spinosad, use row covers on seedlings, apply diatomaceous earth

Uses

🍳

Grain and Seeds

Culinary

Amaranth seeds are a highly nutritious pseudocereal with complete protein containing all nine essential amino acids. The grain can be popped like popcorn, ground into flour, or cooked as a porridge. [source]

🏠

Cut and Dried Flowers

Household

The dramatic velvety spikes are prized by florists and flower arrangers for fresh and dried arrangements. The flowers hold their deep color for weeks and dry exceptionally well for long-term display. [source]

🍳

Edible Leaves

Culinary

Young amaranth leaves are edible with a mild spinach-like flavor and can be consumed raw in salads or cooked as greens. They are rich in calcium, iron, and vitamins. [source]

🦋

Bird Food Source

Wildlife

Mature seed heads attract and feed finches, sparrows, and other seed-eating birds throughout late summer and fall, supporting local wildlife. [source]

🎨

Ornamental Display Plant

Craft

The tall, dramatic burgundy-red cascading flower spikes create a striking focal point in gardens, border backings, and landscape design for bold visual impact. [source]

Harvest Tips

Cut flower spikes when fully colored for longest vase life (7-10 days in water). Cut in early morning after dew dries. For dried arrangements, harvest at peak color and hang bundles upside-down in a warm, dry location for 2-3 weeks. Allow some flower heads to mature on plant for seed collection in fall.

Fun Facts

  • 🌱 Amaranth was a staple grain of the Aztecs and Incas, revered for its nutritional density and ceremonial significance. The name 'amaranth' comes from the Greek word 'amarantos,' meaning 'unfading,' referring to the flowers' ability to retain color even when dried.
  • 🌱 The velvety texture of the flower spikes comes from thousands of tiny individual flowers packed densely together. A single inflorescence can contain over 40,000 individual seeds.
  • 🌱 Amaranth is exceptionally drought-tolerant and thrives in poor soil where many other plants struggle, making it valuable for arid climates and sustainable agriculture. It has been used for centuries in traditional medicine across Africa, Asia, and the Americas.

Gardening Terms

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