Penstemon — (Penstemon) is a perennial with spikes of tubular flowers in shades of red, pink, purple or white.
Botanical name: Penstemon
Sowing: under cover, 50–60 days before planting out
Spacing: 35 cm
Germination: 14–21 days at 18–20 °C (sown under cover; not sown directly)
Height: 40–80 cm
Contents: 0.1 g
| Life cycle | Annual |
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