Ageratum houstonianum ‘Tall Blue Planet F1’
This tall variety of Ageratum with strong self supporting 60-70cm tall plants carrying soft mauve blue flower heads from January until May. Sow seed indoors during early spring and plant into a sunny spot in the garden when weather warms up and frost danger is over. Good cut flower and good garden plant. Space 30-40cm apart.
When to sow: Spring/early summer
Where to sow: Indoors or direct sow
Depth to sow: 5mm
Aspect: Full sun or as sunny a spot as possible.
Soil: Prepared, well drained, fertilised soil. Add lime if soil is too acid.
Spacing: Between plants: 15cm-90cm; Between rows: 90cm
Directions: Sow indoors early to mid-spring for planting when weather warms up. Direct sow mid-November until late December. Height 70-80cm space 30-40cm.
Packet 30 seeds