Growing Arizona Sun Agastache Flowers From Seeds
- Taxonomy: Agastache x hybrida
- Other Names: Giant Hyssop
- Flower Seed Type: Perennial
- Sow Indoors or Outdoors: Arizona Sun agastache is a full sun performer commonly sown directly outdoors after the frost but, for earliest blooms, start seeds indoors 6 – 8 weeks prior. Agastache seeds will germinate in 14 – 21 days without the need for lighting, and harden off plants to a sunny place either indoors or out for best blooming. Plants are often repotted overwinter in zones 3 – 6.
- Days to Plant Maturity: 77 – 84 days
- Hardiness Zone: 3 – 9
- Seed Planting Depth: Lightly press 3 – 4 seeds into soil
- Plant Spacing: 12”
- Growth Habit: 12 – 18” tall shrubby upright with a 12 – 18” spread of densely floreted spikes of 1” tubular-shaped blooms
- Soil Preference: Average, medium moist, well-drained
- Light Preference: Full sun
- Diseases/Pests/Troubleshooting: Arizona Sun Agastache flowers are known to be tolerant to some heat, drought, and dry soils once established, but must be drained sharply. Plants are susceptible to crown and root rot, rust, and powdery mildew in gardens with poorly drained soils. Agastache has no serious pests or diseases.
- Flower Color: Canary yellow tubular blooms and bright seasonal greens
Agastache x hybrida, or otherwise simply known as Agastache, is a garden hybridized variety that had been crossed between a combination of the 22 species of Agastache. The genus is native to North America and known throughout the horticultural world for their showy, yet winter-hardy blooms. Most in the genus Agastache are perennial in zones 3 – 5, while the fragrant and showy Agastache foeniculum flower is winter-hardy in Zone 1.
Read more about Agastache Seeds: