Colorful Flower Spikes
Produces upright flower spikes in shades that may include purple, blue, pink, orange, or red, depending on the species and variety.
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Agastache, commonly known as Hyssop or Hummingbird Mint, is an aromatic flowering perennial valued for its colorful flower spikes and fragrant foliage. Its blooms attract bees, butterflies, and hummingbirds, making it a popular choice for pollinator gardens. Agastache grows best in sunny locations with well-drained soil and is suitable for garden borders, herb gardens, and ornamental landscapes.
Produces upright flower spikes in shades that may include purple, blue, pink, orange, or red, depending on the species and variety.
Features aromatic leaves that add fragrance and texture to herb gardens and ornamental planting areas.
The nectar-rich flowers can attract bees, butterflies, and hummingbirds to suitable garden spaces.
Suitable for sunny borders, pollinator gardens, cottage gardens, and containers, depending on the variety.
| Scientific Name | Agastache species |
| Common Name | Agastache, Hyssop, Hummingbird Mint |
| Plant Family | Lamiaceae |
| Plant Type | Flowering herbaceous perennial or annual, depending on species |
| Seed Type | Flowering ornamental herb seeds |
| Growth Habit | Upright, clump-forming |
| Flower Color | Blue, purple, pink, orange, or red, depending on species and variety |
| Foliage Color | Green, with foliage characteristics varying by species |
| USDA Zones | Approximately Zones 4–10, depending on species and cultivar |
| Planting Season | Spring, after frost risk has passed, or indoors before the growing season |
| Seed Starting | Sow in a well-drained seed-starting mix; follow species-specific sowing instructions |
| Germination Time | Often around 1–3 weeks under suitable conditions |
| Germination Temperature | Approximately 65–75°F (18–24°C), depending on species |
| Sunlight | Full sun is generally preferred |
| Soil Requirements | Well-drained soil; fertility needs vary by species |
| Watering | Water regularly during establishment; avoid prolonged waterlogging |
| Mature Plant Size | Approximately 1–5 feet tall, depending on species and variety |
| Plant Spacing | Approximately 12–24 inches, adjusted for mature plant size |
Agastache Seeds are a great option for adding fragrant foliage and colorful flowers to sunny gardens. Grow these pollinator-friendly plants in borders, herb gardens, or ornamental landscapes with suitable sunlight and well-drained soil.
Discover useful tips for starting Agastache Seeds and growing healthy flowering plants.
Sow Agastache seeds in a well-drained seed-starting mix at the depth recommended for the species. Maintain suitable warmth and moisture, and provide light if the seed type requires it. Transplant established seedlings after they have developed several true leaves and outdoor conditions are suitable.
Many Agastache species produce nectar-rich flowers that attract hummingbirds, butterflies, and bees. Choose varieties suited to your climate and combine them with other flowering plants to create a pollinator-friendly garden.
Many Agastache varieties are perennial and can return each year in suitable climates. Others are short-lived or grown as annuals. Check the exact species or variety and its USDA hardiness range to determine whether it can overwinter in your garden.