PERSICARIA microcephala 'Red Dragon' PP# 12,062 (per-sih-KAR-ee-uh) | PERSRD5 |
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| Description: Deep maroon leaves on red stems provide interesting garden color possibilities. Leaves are accented by a silvery chevron and topped in late summer and fall by clusters of small, white flowers. Weather and light can affect color intensity, but it's always attractive. From Greg Speichert of Crystal Palace Perennials. Propagation Prohibited. |
| Zone: 5 |
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PERSICARIA polymorpha (per-sih-KAR-ee-uh) (pol-ee-MOR-fah) | PERSPO5 |
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| Description: Fluffy, creamy-white plumes all summer long. Excellent focal point or mass planting. |
| Zone: 3 |
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PHILADELPHUS microphyllus (fil-a-DEL-fus) (mik-ro-FIL-us) | PHILMI5 |
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| Common Name: Littleleaf Mock Orange |
| Description: Native of the Rockies; slow and low growing mock-orange is an ideal addition to the perennial garden, border, or for a mass planting on an embankment. Very bushy and graceful with very fragrant (pineapple-like), 1", white flowers in June. Dark brown, glossy, and exfoliating bark adds winter interest. |
| Zone: 5 |
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PHLOX divaricata (floks) (dy-var-ih-KA-ta) | PHLODI3 |
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| Description: 2011 GreatPlantsTM Perennial of the Year. RHS Award of Garden Merit. Masses of blue flowers in spring; durable, dark green foliage. Back by popular request for restoration projects! |
| Zone: 3 |
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PHLOX 'Forever Pink' PP #24,918 (floks) | PHLOFP3 |
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| Common Name: Phlox |
| Description: Forever Pink has 1" purplish-pink blooms that cover the plant for three weeks in June and again in the fall on yellowish-green foliage.Propagation Prohibited. |
| Zone: 4 |
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PHLOX paniculata 'David' (floks) (pan-ik-yew-LAY-ta) | PHLPDA3 |
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| Common Name: Tall Garden Phlox |
| Description: 2002 PPA Plant of the Year! Deliciously fragrant, tall, and white. Highly mildew resistant foliage.
Warm season grower; may be dormant in early spring. |
| Zone: 3 |
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PHLOX paniculata 'Laura' (floks) (pan-ik-yew-LAY-ta) | PHLPLA3 |
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| Common Name: Tall Garden Phlox |
| Description: Extremely showy, 5-6" clusters of fragrant, deep purple flowers with white, star centers. Blooms from mid to late summer. Very easy to grow; mildew resistant variety.
Warm season grower; may be dormant in early spring. |
| Zone: 4 |
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PHLOX paniculata 'Starfire' (floks) (pan-ik-yew-LAY-ta) | PHLPST3 |
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| Common Name: Tall Garden Phlox |
| Description: RHS Award of Garden Merit. Brightest red.
Warm season grower, may be dormant in early spring. |
| Zone: 3 |
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PHLOX paniculata Super Ka-Pow Coral PP#33,863 (floks) | PHLPKC3 |
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| Description: This phlox has large coral flowers in mid-summer, is mildew resistant and excellent for cutting. Attracts hummingbirds and butterflies. Photo courtesy of Ball Seed.
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| Zone: 4 |
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PHLOX paniculata Super Ka-Pow White PP#33,187 (floks) | PHLPKW3 |
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| Description: Nice branching and large white flowers in mid-summer. Nice cutting flower. Attracts hummingbirds and butterflies. Photo courtesy of Ball Seed. |
| Zone: 4 |
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PHLOX subulata 'Blue' (floks) (sub-yew-LAY-tah) | PHLOSB3 |
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| Common Name: Creeping Phlox |
| Description: Masses of blue flowers in spring.
Evergreen mats of moss-like foliage, a fine ground cover that is a mass of color in spring. |
| Zone: 3 |
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PHLOX subulata 'Candy Stripe' (floks) (sub-yew-LAY-tah) | PHLOCS3 |
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| Common Name: Creeping Phlox |
| Description: Very colorful, white and pink, two-toned flowers.
Evergreen mats of moss-like foliage, a fine ground cover that is a mass of color in spring. |
| Zone: 3 |
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PHLOX subulata 'Nettleton's Variety' (floks) | PHLONV3 |
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| Common Name: Phlox |
| Description: A variegated, evergreen groundcover massed with pink, starlike flowers in spring. Foliage turns a gorgeous pink in the fall. |
| Zone: 3 |
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PHLOX subulata 'Pink' (floks) (sub-yew-LAY-tah) | PHLOSP3 |
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| Common Name: Creeping Phlox |
| Description: Covered with pink flowers in spring.
Evergreen mats of moss-like foliage, a fine ground cover that is a mass of color in spring. |
| Zone: 3 |
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PHLOX subulata 'Red' (floks) (sub-yew-LAY-tah) | PHLOSR3 |
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| Common Name: Creeping Phlox |
| Description: Showy color.
Evergreen mats of moss-like foliage, a fine ground cover that is a mass of color in spring. |
| Zone: 3 |
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PHLOX subulata 'White' (floks) (sub-yew-LAY-tah) | PHLOSW3 |
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| Common Name: Creeping Phlox |
| Description: Clean white color.
Evergreen mats of moss-like foliage, a fine ground cover that is a mass of color in spring. |
| Zone: 3 |
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PHYSOSTEGIA virginiana 'Variegata' (fy-so-STEE-jhah) (ver-jin-ee-AY-na) | PHYSVR5 |
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| Common Name: False Dragonhead, Obedient Plant |
| Description: Striking white variegated foliage topped with bright pink flowers. An old favorite! |
| Zone: 4 |
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PHYSOSTEGIA virginiana 'Vivid' (fy-so-STEE-jhah) (ver-jin-ee-AY-na) | PHYSVV3 |
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| Common Name: False Dragonhead, Obedient Plant |
| Description: RHS Award of Garden Merit. Bright pink selection propagated by cuttings. |
| Zone: 3 |
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PLATYCODEN grandiflorus 'Fuji White' (plat-ee-KO-don) | PLATFW3 |
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| Common Name: Balloon Flower |
| Description: Pure white, bell-shaped flowers on dark green foliage. Very showy in a mixed border. |
| Zone: 3 |
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PLATYCODON grandiflorus 'Hakone Double Blue' (plat-ee-KO-don) (gran-di-FLOOR-us) | PLATHD3 |
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| Common Name: Balloon Flower |
| Description: Rich, violet-blue, double bells. Selection from Japan. |
| Zone: 4 |
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PLATYCODON grandiflorus 'Mariesii' (plat-ee-KO-don) (gran-di-FLOOR-us) | PLATMA3 |
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| Common Name: Balloon Flower |
| Description: RHS Award of Garden Merit. Large, rich blue bells. |
| Zone: 4 |
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PLATYCODON grandiflorus 'Sentimental Blue' (plat-ee-KO-don) (gran-di-FLOOR-us) | PLATSB3 |
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| Common Name: Balloon Flower |
| Description: F1 Hybrid dwarf bred for use as a pot plant; blooms first year. Many, intense blue flowers. |
| Zone: 4 |
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PODOPHYLLUM peltatum (poe-doe-FIL-lum) (pel-TAY-tum) | PODOPE5 |
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| Common Name: Mayapple |
| Description: One, great lobed leaf; creamy, nodding flowers; yellow fruit, occassionly red. Native; goes dormant early. Spring only. |
| Zone: 4 |
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POLEMONIUM caeruleum 'Blue Pearl' (pole-MONE-ee-um) (sir-EW-lee-um) | POLEBP3 |
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| Common Name: Jacob's Ladder, Greek Valerian |
| Description: Bright blue flowers. Kieft Seed variety from Holland. |
| Zone: 3 |
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POLEMONIUM reptans (pole-MONE-ee-um) (REP-tanz) | POLERE3 |
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| Common Name: Jacob's Ladder, Greek Valerian |
| Description: China-blue bells; native. |
| Zone: 3 |
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POLEMONIUM yezoense 'Purple Rain Strain' (pole-MONE-ee-um) (yez-oh-ENSE) | POLEPR3 |
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| Common Name: Jacob's Ladder, Greek Valerian |
| Description: Large, violet flowers on upright stems; foliage during winter through early summer is reddish-purple, mostly with dark stems. In shady site or in summer, leaves are green. Reblooms after deadheading. |
| Zone: 4 |
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POLYGONATUM biflorum (pol-ig-on-AY-tum) (bi-FLOOR-um) | POLYBI5 |
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| Common Name: Solomon's Seal |
| Description: Woodland wildflower with arching stems. White flowers followed by black berries. |
| Zone: 3 |
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POLYGONATUM humile (pol-ig-on-AY-tum) (HEW-mih-lee) | POLYHU3 |
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| Common Name: Solomon's Seal |
| Description: Lovely woodland creeper with upright stems with glossy, somewhat pleated leaves. Greenish-white flowers dangle from the leaf axils late spring to early summer, becoming globular; black fruit in late summer. |
| Zone: 5 |
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POLYGONATUM multiflorum 'Variegatum' (pol-ig-on-AY-tum) (mul-tee-FLOOR-um) | POLYVA5 |
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| Common Name: Solomon's Seal |
| Description: 2013 PPA Plant of the Year. 2004 GreatPlantsTM Perennial of the Year! White edged leaves. Tiny, white, bell flowers in spring on arching stems. |
| Zone: 3 |
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POTENTILLA neumanniana (poe-ten-TIL-lah) (NEW-man-ee-ah-na) | POTENE3 |
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| Common Name: Cinquefoil, Five Finger |
| Description: Mat-forming ground cover with bright yellow flowers. |
| Zone: 4 |
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