Penstemon Rocky Mountain - Ontario Seed Company
Penstemon Rocky Mountain - Ontario Seed Company

Penstemon Rocky Mountain - Ontario Seed Company

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Penstemon strictus

A 2ft. tall perennial with dark to brilliant blue-purple multiple flower spikes. Drought tolerant, but likes regular watering.

Type 

Height

Planting Depth

Seed Spacing

Thinning Height

Space After Thinning

Days to Germination

Tender Perennial

2-3'/

61-91cm

1/8"

3mm

1"

3cm

2"

5cm

12-18"

30-46cm

18-20

When and Where to Plant

Full sun. Sow in fall or cold-stratify seed 4 weeks before planting in spring. Cover seed lightly with soil, needs light to germinate. Native to the four corners region, mountains and mesas.

Care

Protect with 1-6"/10-15cm of mulch in severe winter areas. Feed every spring.

Seed Storage

Store seed in a cool. dry place. Heat and moisture severely reduce germination.

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