Penstemon Giant Hybrids

Additional Details

When to Sow Giant Hybrid Penstemon Seeds

February to March

Where to Sow

Sow in pots or trays under glass at 18 ° C. Lightly cover with fine compost.

What to do Next

When the seedlings are large enough to handle, prick off into trays spacing 5cm   (2") apart. Grow on and gradually harden off for planting outside form late May. Spacing 15cm (6") apart.

Maturity

June to August

Handy Tip

Plants can be grown in a sheltered site. They will survive over Winter but sowing should be left until April.