Seed Swaps


Penstemon gloxinoides

  • 38 plantings
  • 3 for swap
  • 10 wanted
  • 9 stashed

Penstemon is a plant which belongs to the Penstemon (Beard-tongue) genus.

Blooms appear in these approximate colours:   Red and   White.

It is a flower that typically grows as a perennial, which is defined as a plant that matures and completes its lifecycle over the course of three years or more.

This plant tends to bloom in early summer.

Popular varieties of Penstemon with home gardeners are Red ridinghood, Barbatus Navigator, Compact Pineleaf, Scarlet and Husker Red.

Penstemon is normally fairly low maintenance and is normally quite easy to grow, as long as a level of basic care is provided throughout the year. Being aware of the basic soil, sun and water preferences will result in a happier and healthier plant.

This plant info is provided by the myfolia gardener's wiki. All details about Penstemon have been kindly provided by our members.

How to grow Penstemon

  • Full Sun

  • Low

Try to plant in a location that enjoys full sun and remember to apply water fairly sparingly. Zone 7 to 9 are typically the USDA Hardiness Zones that are appropriate for this plant (although this can vary based on your microclimate). Keep in mind when planting that Penstemon is thought of as very hardy, so this plant will tend to survive through freezing conditions.

See our list of companion Plants for Penstemon to see which plants you should plant in close proximity to encourage growth.

Growing Penstemon from seed

By our calculations*, you should look at sowing Penstemon about 63 days before your last frost date .

Transplanting Penstemon

Ensure that temperatures are mild and all chance of frost has passed before planting out, as Penstemon is a very hardy plant.

How long does Penstemon take to grow?

These estimates for how long Penstemon takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.

Start logging and journaling your observations to participate!

Days to Germination How long does it take Penstemon to germinate?
8 days

Average 8 days | Min 8 days | Max 8 days (1)

Days to Transplant How long until I can plant out Penstemon?
+ days

Average days | Min days | Max days (0)

Days to Maturity How long until Penstemon is ready for harvest / bloom?
+ days

Average days | Min days | Max days (0)

Total Growing Days How long does it take to grow Penstemon?
= days

When should I plant Penstemon?

Our when to plant Penstemon estimates are relative to your last frost date.

Enter your frost dates and we'll calculate your sowing and planting dates for you!

When to sow The number of days to sow Penstemon before or after your last frost date.
63 days before Last Frost Date

Other names for Penstemon

Border Penstemon,

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