The Library

Perennials

The long spine of the bed, returning stronger each season.

635 varieties · page 21 of 27

PerennialsUSDA zones 4–9

Panicum virgatum 'Rotstrahlbusch'

Red Switchgrass

Blooms soft, airy purple flower panicles that darken with age

Full sun to partial shade

PerennialsUSDA zones 4–9

Panicum virgatum 'Shenandoah'

Shenandoah Switchgrass

Blooms pinkish flower panicles

Full sun

PerennialsUSDA zones 4–6

Papaver alpinum

Alpine Poppy

Blooms white, yellow, orange, red, or salmon

Full sun

PerennialsUSDA zones 3-7

Papaver hybridum 'Pink Heirloom'

Pink Heirloom Breadseed Poppy

Blooms pink with frilly, peony-like blooms

Full sun

PerennialsUSDA zones 2 to 8

Papaver mudicaule 'Champagne Bubbles'

Champagne Bubbles Iceland Poppy

Blooms silky flowers in shades of white yellow orange pink and apricot

Full sun

PerennialsUSDA zones 3 to 7

Papaver orientale ‘Orange Scarlet’

Orange Scarlet Oriental Poppy

Blooms orange-red

Full sun

PerennialsUSDA zones 3a–8b

Papaver orientale 'Pink Ruffles'

Pink Ruffles Oriental Poppy

Blooms salmon-pink with deeply fringed, ruffled petals and dark purple to black blotches at the base

Full sun

PerennialsUSDA zones 3–8

Papaver orientale 'Princess Victoria Louise'

Princess Victoria Louise Oriental Poppy

Blooms light to salmon-pink with black basal blotches

Full sun

PerennialsUSDA zones 5–9

Pennisetum alopecuroides 'Hameln'

Hameln Dwarf Fountain Grass

Blooms greenish-cream

Full sun

PerennialsUSDA zones 5–9

Pennisetum alopecuroides 'Red Head'

Red Head Fountain Grass

Blooms burgundy

Full sun to partial shade

PerennialsUSDA zones 5–10​

Pennisetum orientale

Oriental Fountain Grass

Blooms pinkish-white, maturing to light brown​

Full sun​

PerennialsUSDA Zones 7-9

Penstemon 'Cha Cha Cherry'

Cha Cha Cherry Beardtongue

Blooms bright cherry-red tubular flowers

Full sun to partial shade

Perennials5-9

Penstemon ‘Enor’

Enor Beard Tongue

Blooms deep purple

Full sun to partial shade

PerennialsUSDA zones 6 to 9

Penstemon 'Garnet'

Garnet Beardtongue

Blooms deep fuchsia-red, tubular flowers

Full sun to partial shade

PerennialsUSDA zones 3–8

Penstemon digitalis 'Dakota Burgundy'

Dakota Burgundy Beardtongue

Blooms lavender to violet to pink

Full sun

PerennialsUSDA zones 4 to 8

Penstemon eatonii

Firecracker Penstemon

Blooms brilliant scarlet red tubular flowers borne in tall upright spikes

Full sun

PerennialsUSDA zones 4a (-25º to -30ºF) to 8b

Penstemon mexicali hybrids 'P008s'

Red Rocks Beardtongue

Blooms bright red-pink tubular flowers with a hint of white in the throat

Full sun

PerennialsUSDA zones 5 to 9

Penstemon ovatus

Broadleaf Beardtongue

Blooms rich violet blue tubular flowers in tall open clusters

Full sun to light partial shade

PerennialsUSDA zones 4 to 9

Penstemon pinifolius

Pineleaf Penstemon

Blooms bright orange red tubular flowers held above the foliage

Full sun

PerennialsUSDA Zones 5-9

Penstemon pinifolius 'Red Riding Hood'

Red Riding Hood Beardtongue

Blooms bright red, tubular flowers

Full sun

PerennialsUSDA zones 3 to 8

Penstemon strictus

Rocky Mountain Beardtongue

Blooms tubular deep violet blue flowers borne on tall upright spikes

Full sun

PerennialsUSDA zones 5–9

Perovskia atriplicifolia

Russian Sage

Blooms lavender-blue

Full sun

PerennialsUSDA zones 4 to 8

Persicaria amplexicaulis 'Firetail'

Firetail Mountain Fleece

Blooms bright red, bottlebrush-like flowers

Full sun to partial shade

PerennialsUSDA zones 4 to 9

Persicaria microcephala ‘Red Dragon’

Red Dragon Fleece Flower

Blooms pink or white

Full sun to part shade