Botanical Name: Penstemon barbatus
Family: Plantaginaceae
Native: North America
Hardiness: Perennial in USDA zones 4–8
Plant Dimensions: 12" tall
Variety Information: ¾"–1" long flowers in pink, rose, blue and purple, borne on thin spires
Exposure: Full sun
Bloom Period: Spring to summer
Attributes: Attracts Hummingbirds, Attracts Pollinators, Cut Flower, Drought Tolerant, Good for Containers, Heat Tolerant
When to Sow Outside: 6 to 8 weeks before your average last frost date or late fall.
When to Start Inside: 6 to 8 weeks before your average last frost date. Germinates best in cooler soils (near 55°F).
Days to Emerge: 14–35 days
Seed Depth: Press into surface
Seed Spacing: A group of 3 seeds every 8"–12"
Thinning: When 1" tall, thin to 1 every 8"–12"
Write a Review
Dazzler Blend Penstemon Seeds Reviews
4 reviews
Not so good
1 out of 5 stars
Jul 12, 2021





I followed the directions on the see packet and not one of them came up. That happened with all of the seeds I purchased.
Lorna from MN
Owner Response: Hi Lorna,
From the reviews you wrote today it seems like you had several issues. Our goal is for you to have a great garden which is why quality and customer service are so important to us. Our seeds are tested frequently by a third-party laboratory to ensure the germination rate exceeds federal and our own standards. We are here for you, happy to help, and we do guarantee our seeds. Please don't hesitate to contact us with questions or when you are having difficulty.
Dazzler blend penstemon
5 out of 5 stars
Sep 27, 2021





Fantastic germination rates from botanical interests! Quick to ship as well. Mine were all punk and purple quick to flower! Mid summer they died back i cut them to the ground and this fall they are blooming again!
Dori from TX
Penstemon hirsutis?
2 out of 5 stars
Sep 30, 2021





My plants had small whitish flowers- looks more like the native plant when I looked it up (penstemon hirsutis). Have never had the natives in my garden either so I guess an extra star for at least germinating.
Cinzia Dinoi from NY
Owner Response: Hi Cinzia,
These Penstemon barbatus should be pink or purple. A customer service agent will be contacting you by email to help.
Penstemon is BEAUTIFUL!
5 out of 5 stars
Nov 26, 2021





I sowed these in a winter sowing project. I'd never seen penstemon, and I'd never done winter sowing before. The penstemon germinated and grew into perfect starter plants that I scattered around the garden, to see where it would do best. It did well EVERYWHERE! It has been in constant bloom, and mine were predominantly a lovely hot pink, with large flowers. It is STILL in bloom, as I type, 11/26/21! Try it!!!!
Jackie from FL
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