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Penstemon (glaber)

Lindsay Springer
Lead Biological Science Technician - Greenhouse Manager
USDI NPS - Rocky Mountain National Park
1000 Highway 36
Estes Park, Colorado 80517-8397
(970) 586-1252
(970) 589-1392 (fax)

Family Scientific Name: Scrophulariaceae
Scientific Name: Penstemon glaber
Common Name: Alpine Penstemon
Ecotype: Colorado, Cow Creek (98-199s)
Propagation Goal: seeds
Propagation Method: seed
ProductType: Propagules (seeds, cuttings, poles, etc.)
Time To Grow: 0
Propagule Collection: Seed cleaning technique: Remove seeds from capsule.

Collected at Cow Creek (98-199s).
Propagule Processing: Germination: Cow Creek (98-199s) very low percentage.
Growing Area Preparation/
Annual Practices for Perennial Crops:
Propagation Environment: Greenhouse, 65-70§F day/551F night. Propagated under tent on heat pad (set to 70§F) with misters set 8 am-8 pm, with 10 sec/15 min watering intervals. One week after germination, seedlings were moved to mister area without tent.

Germination media: Fafard Germinating Mix (superfine).

Growing media: Fafard Growing Mix 2.
Establishment Phase: Sowing/planting technique: Manually sowed in 4x8 flat.Lightly covered.

Time to germination: 12 days.

Establishment Phase: Slow.

Cow Creek (98-199s) sowed on 1/19/98.
Harvesting, Storage and Shipping: Seed storage condition: Seed stored in refrigerator.


Butler, Jennifer; Frieswyk, Christin. 2001. Propagation protocol for production of Propagules (seeds, cuttings, poles, etc.) Penstemon glaber seeds USDI NPS - Rocky Mountain National Park Estes Park, Colorado. In: Native Plant Network. URL: http://NativePlantNetwork.org (accessed 2021/05/11). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.

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