Hotrocks Penstemon in bloom, Boise Foothills

Penstemon

Penstemon


ZONE HARDINESS
1 2 3 4 5 6 7 8 9 10 11
SPACE REQUIREMENTS
- - -
HEIGHT REQUIREMENTS
- - -
SUN REQUIREMENTS
1 50 100

So many varieties and colors! Many are native to Idaho and important to all of our pollinators.

Idaho Firewise http://idahofirewise.org/ recommends these:

Barrett's beardtongue (Penstemon barrettiae),

Beardtongue Penstemon (P. mexicali),

Blue Penstemon (P. cyaneus),

Davidson's Penstemon (P. davidsonii v.davidsonii).

Firecracker Penstemon (P. eatonii

Foxglove Penstemon (Penstemon cobaea)

'Mersea Yellow' Penstemon (P. pinifolius)

Palmer Penstemon (P. palmeri)

Payette Beardtongue (P. payettensis)

Pineleaf penstemon (P. pinifolius)

'Prairie Splendor' Penstemon (P. hybrid)

'Red Riding Hood' Penstemon (P. barbatus)

Rocky Mountain Penstemon (P. strictus)

Shrubby Penstemon (P. fruticosus)

Thickleaf Penstemon (P. pachyphyllus)

Whipple's Penstemon (P whippleanus)

This plant has a fire-resistance score of 8, meaning it should be planted 30 feet or greater from your home.

https://gardentronic.com/blog/idaho-firewise-protect-your-home-wildfires/

http://idahofirewise.org/

This plant is listed as beneficial to pollinators in the book, “100 Treasure Valley Pollinator Plants”. https://gardentronic.com/blog/one-hundred-treasure-valley-pollinator-plants/


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PLANT DETAILS


NAME
Penstemon, Beardtongue
TYPE
Perennial
HEIGHT
SPACING

ZONE HARDINESS
3-8

SUN REQUIREMENTS
Full sun

ΒLOOM TIME
Summer
Late Spring to Early Summer
Mid Summer to Late Fall
Late Spring