Agastache Astello Indigo

A hardy perennial that flowers in the first year from an early sowing. Dense, rounded plants that produce a mass of flowering spikes. Can be grown as an annual and used for containers and bedding.

How to Sow and Grow

• Sow Between: February to April
• Flowering Months: June to October
• Indoors Sowing Guide: Sow indoors to flower the same year, 0.5cm deep, in a tray of compost.
• Water well and place on a warm windowsill.
• A Temperature of 15-20oC is ideal.
• Keep moist. Seedlings usually appear in 14-28 days.
• Transplant seedlings 5cm apart to other trays when large enough to handle.
• Gradually accustom young plants to outside conditions (avoid frosts), before planting out 25cm apart when frosts are over.
• Soil Type: Well drained
• Sun Level: Full sun
• Hints & Tips: Remove dead flower heads to prolong flowering. Will attract beneficial insects into the garden