
Companion plants for Penstemon
Penstemon digitalisflower
36 partners scored across pest control, nitrogen, root depth, shade and spacing.
Best partners
- Great pair
- French Marigold attracts Hoverflies and Lacewings and more, which prey on the Aphids that attack Penstemon
- French Marigold suppresses pests that trouble Penstemon
- French Marigold acts as living mulch, keeping soil moist and weeds down around Penstemon
- Great pair
- Candytuft attracts Hoverflies and Parasitic wasps, which prey on the Aphids that attack Penstemon
- Penstemon draws Bees and Bumblebees that improve pollination for both
- Candytuft acts as living mulch, keeping soil moist and weeds down around Penstemon
Planning a whole bed?
Build a season-long sowing and planting calendar around Penstemon β no account needed.
Also works well
Keep apart

Fennel releases compounds that inhibit Penstemon

White Sage releases compounds that inhibit Penstemon










































