Agastache Seeds - All In One For Home Gardens

Agastache seeds produce herbaceous perennial plants known for their upright growth and long-lasting flower spikes. These plants are well adapted to a range of climates, particularly in warm and dry conditions, and are suitable for garden beds, borders, and container planting. Agastache grows best in well-drained soil with full sunlight and develops into clump-forming plants that add vertical structure to planting areas. With proper care, the plants establish steadily and continue seasonal flowering.

Features

• Herbaceous perennial with upright, clump-forming growth

• Suitable for garden beds, borders, and containers

• Adapted to warm and moderately dry climates

• Produces tall flowering spikes during the season

• Requires well-drained soil for healthy growth

Specifications

• Scientific Name: Agastache spp.

• Common Name (US): Agastache

• Seed Type / Variety: Standard agastache seed

• Growth Habit: Herbaceous perennial

• USDA Zones: 5–10

• Planting Season: Spring after last frost

• Growing Season: Spring through fall

• Sowing Season:

  • February–April (indoor start)

  • March–May (direct sow outdoors)

• Germination Time and Conditions: 10–21 days at 18–24°C with light and consistent moisture

• Sunlight Requirements: Full sun

• Soil Requirements: Well-drained, sandy or loamy soil

• Watering Needs: Low to moderate; drought-tolerant once established

• Mature Plant Size: 2–4 feet height, 1–2 feet spread

• Plant Spacing: 12–18 inches between plants