Green Thumb Amaranth Seeds - Amaranthus Tricolor, 30 seeds

Quantity: 30 Seeds / pack

Green Thumb amaranth (Amaranthus tricolor) is a dwarf, bright-green foliage amaranth that forms tidy, lush mounds about 12–18 inches tall. A sun-loving annual grown mainly for its foliage, it fills gaps in beds and borders with vibrant green all summer — easy, fast, and unfussy.

Why choose our seeds?

• Fresh, bright-green foliage on compact, tidy plants
• Fast-growing filler for beds, borders, and containers
• Loves heat and sun; easy summer color with little care

How to grow Green Thumb Amaranth seeds

Choose Your Planting Method

• Indoors: Start 6–8 weeks before the last frost.
• Outdoors: Direct sow after the last frost, once the soil is warm — amaranth loves heat.

Prepare Your Materials

• Seed-starting trays or pots (if indoors)
• Well-draining potting mix
• Spray bottle for misting

Sowing the Seeds

• Sow on the surface and press gently into the soil — the fine seeds need light to germinate, so barely cover them.
• No pre-treatment is needed.

Provide the Right Conditions

• Light: Bright light; uncovered seeds need light to sprout.
• Temperature: 65–75°F (18–24°C).

Germination

• Seedlings emerge in 10–21 days; warmth speeds them up.
• Keep the surface lightly moist until sprouts appear.

Transplanting

• Move out after all frost danger has passed and nights are warm.
• Space plants 10–18 inches apart.

Care Tips

• Sun: Full sun to part shade — more sun, brighter foliage.
• Water: Water moderately; established plants handle heat well.
• Fertilizer: Average soil is fine; no heavy feeding needed.
• Thin young plants so each has room to develop a full, bushy shape.

Interest Time:

Lush foliage all summer; plants grow fastest in hot weather.