The Library

Perennials

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

635 varieties · page 22 of 27

Petasites frigidus var. palmatus
PerennialsUSDA zones 2 to 7

Petasites frigidus var. palmatus

Western Coltsfoot

Blooms pale pink to whitish flower clusters on upright stems

Partial shade to full shade

Petasites japonicus
PerennialsUSDA zones 4 to 9

Petasites japonicus

Japanese Butterbur

Blooms pale yellowish white flower clusters on thick upright stems

Partial shade to full shade

Phlomis russeliana
PerennialsUSDA zones 5–9

Phlomis russeliana

Turkish Sage

Blooms pale yellow tubular flowers in whorls, arranged in dense, ball-like clusters

Full sun to partial shade

Phlomis samia
PerennialsUSDA Zones 7-10

Phlomis samia

Greek Jerusalem Sage

Blooms mauve, arranged in whorls along the stem

Full sun to partial shade

Phlox 'Flame Coral Red'
PerennialsUSDA zones 4 to 8

Phlox 'Flame Coral Red'

Flame Coral Red Garden Phlox

Blooms bright coral-red

Full sun to partial shade

Phlox 'Opening Act Pink-a-Dot'
PerennialsUSDA zones 4–8

Phlox 'Opening Act Pink-a-Dot'

Opening Act Pink-a-Dot Hybrid Garden Phlox

Blooms near white with a dark pink central star pattern, giving an overall light pink appearance

Full sun to partial shade

Phlox paniculata 'Barthirtythree'
PerennialsUSDA zones 3–8

Phlox paniculata 'Barthirtythree'

Volcano Purple Garden Phlox

Blooms magenta-purple with a contrasting white eye

Full sun to partial shade

Phlox paniculata 'Bartwelve'
PerennialsUSDA zones 4–8

Phlox paniculata 'Bartwelve'

Pink Flame Garden Phlox

Blooms bright pink with a darker pink eye

Full sun to partial shade

Phlox paniculata 'Blue Paradise'
PerennialsUSDA zones 4 to 8

Phlox paniculata 'Blue Paradise'

Blue Paradise Garden Phlox

Blooms blue-violet, with a tendency to shift color depending on light conditions

Full sun to partial shade

Phlox paniculata 'David'
PerennialsUSDA zones 3–8

Phlox paniculata 'David'

David Garden Phlox

Blooms pure white, with large, showy, star-shaped fragrant blooms

Full sun to partial shade

Phlox paniculata 'Ditomdre'
PerennialsUSDA zones 3–9​

Phlox paniculata 'Ditomdre'

Coral Creme Drop Garden Phlox

Blooms coral-pink blooms with a deep pink eye

Full sun

Phlox paniculata 'Nora Leigh'
PerennialsUSDA zones 4–8

Phlox paniculata 'Nora Leigh'

Nora Leigh Garden Phlox

Blooms white to pale pink with a darker pink center

Full sun to partial shade

Phormium tenax
PerennialsUSDA zones 9–11

Phormium tenax

New Zealand Flax

Blooms bright red or yellow

Full sun to partial shade

Phygelius 'Candy Drops Cream'
PerennialsUSDA zones 7–10

Phygelius 'Candy Drops Cream'

Candy Drops Cream Cape Fuchsia

Blooms soft cream to pale yellow, tubular, pendulous blooms arranged in terminal clusters

Full sun to partial shade

Phygelius 'Radiant Red'
PerennialsUSDA zones 7 to 10

Phygelius 'Radiant Red'

Radiant Red Cape Fuchsia

Blooms bright red, tubular flowers

Full sun to partial shade

Phygelius capensis
PerennialsUSDA zones 7–10

Phygelius capensis

Cape Fuchsia

Blooms orange-pink with yellow centers

Full sun to partial shade

Phygelius x rectus 'Colorburst Yellow'
PerennialsUSDA zones 7–10​

Phygelius x rectus 'Colorburst Yellow'

Colorburst Yellow Cape Fuchsia

Blooms soft, creamy yellow​

Full sun to partial shade​

Phyllostachys sulphurea 'Robert Young'
PerennialsUSDA zones 7 to 10

Phyllostachys sulphurea 'Robert Young'

Robert Young Sulphur Bamboo

Blooms inconspicuous tan grass like flowering rarely seen in cultivation

Full sun to partial shade

Physostegia virginiana
PerennialsUSDA zones 3 to 8

Physostegia virginiana

Obedient Plant

Blooms pale pink to light purple

Full sun to part shade

Physostegia virginiana 'Miss Manners'
PerennialsUSDA zones 3 to 9

Physostegia virginiana 'Miss Manners'

Miss Manners Obedient Plant

Blooms white, tubular

Full sun to partial shade

Platycodon Grandiflorus
PerennialsUSDA zones 3 to 8

Platycodon Grandiflorus

Balloon Flower

Blooms violet blue star shaped balloon like buds opening flat

Full sun to light partial shade

Pleioblastus viridistriatus
PerennialsUSDA zones 6 to 9

Pleioblastus viridistriatus

Dwarf Green Stripe Bamboo

Blooms inconspicuous grass like flowering

Partial shade to full shade

Pleione 'Tongariro'
PerennialsUSDA zones 8 to 10

Pleione 'Tongariro'

Tongariro Hardy Orchid

Blooms violet pink to fuchsia pink with red or purple markings on the lip

Partial sun to partial shade

Podophyllum delavayi
PerennialsUSDA zones 7 to 9

Podophyllum delavayi

Chinese Mayapple

Blooms nodding deep red to burgundy flowers held beneath the foliage

Partial shade to full shade in sheltered woodland conditions