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Penstemon Petrophyton to Primula Pulsatilla to Sophora Sphaeralcea to Zinnia
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Petrophyton caespitosum (Rosaceae) (10x40,Z3,P,L,1) ........................................... 100 seeds / $3.50 12034.24 (W) Johnson Co., WY, 8200ft, 2500m. Also spelled Petrophytum. Slow-growing, bright blue-green mats produce white Astilbe-like spikes in late summer. Highly adaptable to most fast-draining soils. I have found this calciphile remarkably easy to grow.

Petunia integrifolia (Solanaceae) (16x45,A,L,1) .................................................................. 100 seeds / $3.00 59879.07    Ascending runners spread from a central root and are massed with 1-1/2" (4 cm) vivid plum-purple flowers all summer.   Photo

Phacelia sericea (Hydrophyllaceae) (16x14,Z3,P,L,3:6w) ........................................... 100 seeds / $3.00 76415.34 (W) Park Co., CO, 12150ft, 3704m. Showy spikes of blue-purple with exserted golden stamens. Silver-gray, dissected basal leaves.   Photo

Phacelia sericea (20x12, Z3, P, L, 3:6w) ………………………………………................... 70 seeds / $3.00

 76415.23  (W) Park Co., WY, 8200ft, 2500m.  A somewhat dwarfer version of the Colorado population found on volcanic screes during the Penstemon absarokensis trek.

Phemeranthus teretifolius (Portulacaceae) (10x10,Z9,P,L,1) ................................................. 60 seeds / $3.00

 78414.08   Terete leaves on small caudiciforms with crisscrossing stems bearing pale purple flowers. Cute.

Philadelphus lewisii (Philadelphaceae) (220x150,Z4,P,L,3:8w) ............................................ 100 seeds / $3.50

 54432.10  (W) Adams Co., ID, 4000ft, 1220m.  One of the truly outstanding shrubs of the Pacific Northwest. In mid-summer, hundreds of white, Dogwood-like flowers burst into fragrant splendor on every bush.    Photo1    Photo2

Phlomis tuberosa (Lamiaceae) (90x28,Z5,P,L,3:4w) ……………………..............……….... 25 seeds / $3.50

 78950.05    Whorls of pink to purple flowers along multiple stems arising from a woody crown, the roots sprouting small tubers. Coarsely-veined, pubescent leaves. Native from Europe to Asia.

Phlox aculeata (Polemoniaceae) (5x20,Z5,P,C,3:12w) ..................................................... 18 seeds / $5.00 01300.52 (W) Blaine Co., ID, 4800ft, 1463m. Loose cushions of awl-shaped leaves with pale to deep pink flowers. Found throughout the Snake River Plains.

Phlox austromontana (5x15,Z5,P,C,4:10w) .......................................................................... 12 seeds / $6.00

 10167.40  (W) Coconino Co., AZ, 6500ft, 1982m.  Spiny, loose mats, the awl-shaped leaves measuring up to 1 cm long.  Very wide color variation among populations, this one has some very nice rosy-pink forms.

Phlox colubrina (15x35,Z6,P,L,4:12w) .................................................................................. 20 seeds / $6.00

 12794.18  (W) Washington Co., ID, 2300ft, 701m.  Masses of vibrant, deep pink, long-petalled flowers.   Photo

Phlox diffusa (Polemoniaceae) (2x15,Z5,P,C,4:12w) ....................................................... 15 seeds / $6.00 15570.33 (W) Kittitas Co., WA, 3875ft, 1181m. Caespitose mats of needle-like leaves sport flowers variously colored lavender, pink and white. On exposed, stony, basaltic ridges. Photo

Phlox hoodii ssp. canescens (colored) (2x12,Z5,P,C,4:12w) ....................................... 10 seeds / $6.00 35677.36 (W) Harney Co., OR, 4590ft, 1400m. A colored form here with predominantly pale blue flowers although there are some lavender and pinkish forms also. Dense mats of prickly leaves.

Phlox pilosa ssp. riparia (8x20,Z7,P,L,3:8w) ........................................................................ 15 seeds / $5.00

 70594.17  (W) Kerr Co., TX, 2200ft, 671m.  The dwarfest among the Phlox pilosa clan. Bright, deep-pink flowers over hairy, glandular foliage.   Photo

Phlox roemeriana (8x10,A,C,2) ............................................................................................. 30 seeds / $4.00

 74639.10  (W) Edwards Co., TX, 2600ft, 793m.  Sumptuous deep lavender-pink flowers with gold starburst centers. A sparkling annual well worth growing from the limestone terraces of the Edwards Plateau.   Photo

Phlox speciosa (pink) (Polemoniaceae) (16x20,Z6,P,L,4:12w) ....................................... 15 seeds / $6.00 76716.33 (W) Siskiyou Co., CA, 3600ft, 1098m. A very nice, robust form here with narrow, slightly viscid foliage and bushels of deep pink, notched flowers. On N-facing serpentine slopes. Photo

Phlox speciosa (pink) (Polemoniaceae) (13x22,Z4,P,L,4:12w) ........................................ 15 seeds / $6.00 76716.43 (W) Lewis and Clark Co., MT, 6350ft, 1936m. A beautiful form here with pale China-pink flowers on rather dwarf plants compared to the Pacific Northwest populations, and definitely hardier here. Photo

Phlox speciosa (white) (Polemoniaceae) (12x24,Z6,P,C,3:12w) ...................................... 30 seeds / $5.00 76747.12 (W) Chelan Co., WA, 2500ft, 762m. These wonderfully-fragrant cushions with white, notched flowers cover the hills above Wenatchee in the spring like drifting snow.

Phlox stansburyi (12x14, Z6, P, C, 4:8w) ............................................................................. 40 seeds / $5.00

 76794.11  (W) Inyo Co., CA, 7200ft, 2195m.  Very viscid, lanceolate foliage erupt into dozens of white, pink-throated trumpets with unusually long tubes, over an inch (3 cm).  In volcanic desert soil.

Phlox stansburyi (dwarf form) (5x20,Z5,P,C,4:8w) …………………………..............….... 40 seeds / $5.00

 76795.25  (W) Mono Co., CA, 8000ft, 2439m.  Wonderful pink flowers covering stiff-leaved open mats. The corolla tubes are shorter and the plants are much dwarfer and more spreading than the preceding population.

  Photo1   Photo2

Phyllodoce empetriformis (Ericaceae) (24x36,Z5,P,L,3:8w) ......................................... 100 seeds / $3.50 39670.43 (W) Yakima Co., WA, 5500ft, 1677m. Acicular leaves with deep pink campanulate flowers. Photo

Physaria acutifolia (Brassicaceae) (6x16, Z5, P, L, 3:6w) ..................................................... 50 seeds / $2.50

 01301.13  (W) Grand Co., UT, 7800ft, 2378m.  Handsome gray rosettes erupt into a blaze of yellow in late spring.  On loamy mountain screes.

Physaria alpina (Brassicaceae) (4x14,Z3,P,L,1) ............................................................... 70 seeds / $4.00 05470.13 (W) Park Co., CO, 12100ft, 3689m. Silver, offsetting rosettes surround themselves with deep yellow blossoms shading to almost orange in the throat. On alpine screes. One of the best.   Photo

Physaria chambersii (9x10, Z5, P, L, 3:6w) .......................................................................... 50 seeds / $2.50

 12366.31  (W) Garfield Co., UT, 7400ft, 2256m.  Silvery-green rosettes have clusters of yellow flowers in the spring, followed by large balloons of tannish, angular fruit held erect.

 

Physaria dornii (6x16, Z4, P, C, 2) ........................................................................................ 75 seeds / $2.50

 15814.13  (W) Lincoln Co., WY, 6700ft, 2042m.  Yellow fls transform to voluminous brown fruits.

Physaria eburniflora (Brassicaceae) (4x12,Z4,P,L,3:6w) ................................................. 30 seeds / $4.00 21101.13 (W) Natrona Co., WY, 6500ft, 1982m. Heads of moonlight-cream distinguish this species from the others in this genus. Endemic to a small area in central Wyoming, these silvery-green rosettes flower very early in the spring. On W-facing granite ledges.

Physaria integrifolia v. monticola (14x8, Z3, P, L, 3:6w) ..................................................... 50 seeds / $3.00

 59878.13  (W) Sublette Co., WY, 8600ft, 2622m.  This silver-leaved alpine species bears yellow flowers and billows of fruit which are enormous compared to the small rosettes.

Physaria newberryi (8x18,Z6,P,L,3:6w) ................................................................................ 50 seeds / $3.50

 58433.27  (W) San Juan Co., NM, 7100ft, 2165m.  Large silver-gray rosettes produce the most voluminous fruit I have ever seen in this genus. Yellow flowers.

Physaria newberryi (7x12, Z5, P, L, 1) ................................................................................. 75 seeds / $2.50

 58433.17  (W) Coconino Co., AZ, 6750ft, 2058m.  Silver-gray rosettes produce yellow clouds of flowers.

Physaria rollinsii (Brassicaceae) (2x6,Z4,P,L,3:5w) ........................................................... 45 seeds / $4.00 74794.36 (W) Gunnison Co., CO, 8550ft, 2607m. One of the smallest in the genus, perfect for troughs. Decumbent yellow flowers are splayed around silver-gray rosettes.

Physaria saximontana (4x10,Z5,P,L,3:6w) ........................................................................... 50 seeds / $3.50

 76234.18  (W) Fremont Co., WY, 6700ft, 2043m.  A choice dwarf species with chalky rosettes and clusters of yellow flowers. On tuffaceous mud/sandstone.

Physoplexis comosa (Campanulaceae) (6x9,Z4,P,GL,1) ............................................. 60 seeds / $4.00 12796.11 Ex Germany. Sessile, inflated flowers in umbels colored dark purple-blue near the corolla tips shading to lilac or bluish below. GA3 needed for timely germination. Photo

Phyteuma scheuchzeri (Campanulaceae) (12x25,Z5,P,L,3:8w) .................................... 100 seeds / $3.50 76147.04 Masses of spiky purple-blue flowers over mounds of blue-green, lanceolate foliage.

Pinus flexilis (Pinaceae) (540x360, Z3, P, C, 3:8w) ……………………….............……….. 45 seeds / $3.00

 30556.13  (W) Johnson Co., WY, 8200ft, 2500m.  "White Pine."  A regal pine similar to the Foxtail Pine with five leaves per bundle, each limned with very fine white lines.  Branches are incredibly tough, can be tied in knots without breaking.

Platystemon californicus (Papaveraceae) (16x9,A,RL,3:4w) ........................................ 100 seeds / $3.50 12194.03 This is the pretty form with cream-and-butterscotch petals and a prominent boss of stamens. Stems and leaves are generally shaggy-hairy. Found throughout the Mojave Desert.

Plectranthus argentatus (Lamiaceae) (45x45, Z11, P, L, 1) .................................................. 40 seeds / $2.50

 21432.04  A splendid foliage plant covered with thick, downy hairs which impart a silvery sheen.  Pale lilac flowers.

Polemonium carneum (22x16,Z5,P,L,3:8w) .......................................................................... 60 seeds / $4.00

 12218.16  (W) Douglas Co., OR, 5025ft, 1532m.   Loose mounds of green, pinnate foliage bear flower heads in delicate shades of soft salmon-pink. Found here under the shade of coniferous forests but grows considerably more compact in full sun.

Polemonium confertum (16x14, Z3, P, L, 3:8w) .................................................................. 100 seeds / $4.00

 12798.13  (W) Gunnison Co., CO, 12100ft, 3689m.  (= P. grayanum.)  A robust version of P. viscosum with super flower heads 3"-4" long.  Flaring, campanulate blossoms of bright sky-blue with orange anthers.  This collection from a remote section of Colorado which is rarely visited.

Polemonium foliosissimum v. alpinum (Polemoniaceae) (50x24,Z3,P,L,3:8w) ................ 100 seeds / $3.50 30794.11 (W) Cache Co., UT, 8600ft, 2622m. (= P. albiflorum.) Several upright stems from a central rootstalk bear large capitate flower clusters of snow white. The tallest of the species offered here.

Polemonium kiusianum (40x18,Z5,P,L,3:8w) ………………………….........…………….. 40 seeds / $3.00

 52501.05     Produces quantities of mid-blue to blue-violet flowers in summer. Japan.

Polemonium pauciflorum (32x65,Z6,P,L,3:6w) .................................................................... 90 seeds / $3.50

 70095.17  (W) Cochise Co., AZ, 6800ft, 2073m.  Lax, pinnate foliage, often climbing on surrounding shrubs, bearing long-tubed trumpets in various peach and pale yellow shades.

Polemonium pulcherrimum (12x14,Z5,P,L,3:6w) .................................................................. 90 seeds / $3.50

 70994.29  (W) Chelan Co., WA, 5000ft, 1524m.  More upright form compared to the Jackson Co., Oregon collection 70994.10.  Pinnate foliage, deep blue to pale blue flower heads.

Polemonium viscosum (Polemoniaceae) (16x12,Z3,P,L,3:6w) ..................................... 100 seeds / $3.50 90616.54 (W) Albany Co., WY, 10100ft, 3079m. Small viscid leaves and trusses of purple-blue flowers.   Photo

Poliomintha incana (Lamiaceae) (50x50,Z5,P,C,1) ................................................................ 30 seeds / $4.00

 59813.39  (W) Garfield Co., UT, 6000ft, 1829m.  Broad bushlets with gray-silver, aromatic, linear leaves and pale lavender flowers.  Growing on pink sand dunes.   Photo

Polypodium hesperium (Polypodiaceae) (8x20,Z6,P,L,6) ............................................ 100 seeds / $3.50 35416.14 (W) Jefferson Co., WA, 5000ft, 1524m. A dwarf fern which ranges from sea level to high in the Cascade and Olympic Mountains. Singly-pinnate fronds about 2"-4" long are jammed by the thousands into cracks running through volcanic cliffs. Photo

Potentilla pensylvanica (Rosaceae) (8x10,Z4,P,L,3:6w) ………………………..........…... 100 seeds / $3.00

 70398.15  (W) Iron Co., UT, 11300ft, 3445m.  A dwarf alpine form of this somewhat widely spread species. Olive-yellow-green plants with hairy, pinnate leaves and dense clusters of yellow flowers. On a windswept, E-facing, volcanic mountain summit.

Potentilla pulvinaris (4x14,Z5,P,L,3:6w) ............................................................................... 30 seeds / $4.00

 70995.08     Densely caespitose cushions with silvery-green, sericeous leaves and " deep yellow flowers.

Potentilla thurberi (35x24, Z5, P, L, 3:6w) ............................................................................ 50 seeds / $3.00

 78372.04  Ex Santa Cruz Co., AZ, 9000ft.  Unusually large, showy 1” diameter, dark velvet-red flowers nearly all summer.  Attractive foliage typical of herbaceous Potentilla.  Sun to part shade.

Potentilla uniflora (Rosaceae) (4x16,Z3,P,L,3:6w) .......................................................... 40 seeds / $4.00 85857.25 (W) Park Co., CO, 12400ft, 3780m. One of the best alpine cushion plants. Tight buns of trifoliolate, silver-green leaves with solitary yellow flowers on short scapes.

Primula alcalina (Primulaceae) (10x5,Z5,P,L,3:8w) ....................................................... 100 seeds / $3.50 19412.12 (W) Custer Co., ID, 6465ft, 1971m. Tufts of fleshy, somewhat rugose, lanceolate leaves with short stems of capitate heads of small white flowers, their bases in yellow rings. Not spectacular, probably only of interest to collectors. In grassland several feet away from the creek. Photo

Primula angustifolia (Primulaceae) (4x3,Z3,P,L,3:8w) ................................................. 100 seeds / $6.00 19834.45 (W) El Paso Co., CO, 13500ft, 4116m. Minute, slow-growing tufts of linear-spatulate leaves which bear deep violet flowers with a yellow throat. Primarily a Colorado endemic with small populations in New Mexico and Idaho.  Photo

Primula auricula (Primulaceae) (12x14,Z5,P,L,3:8w) ................................................... 100 seeds / $3.50 08759.04 Fleshy obovate leaves, often farinose, bearing clusters of deeply-notched, white-eyed, yellow flowers on short scapes. One of the easiest and most rewarding to grow.

Primula cusickiana (Primulaceae) (5x5,Z3,P,L,3:8w) ..................................................... 100 seeds / $5.00 13017.50 (W) Custer Co., ID, 10000ft, 3050m. The entire short-stemmed inflorescence is farinose, bearing several glowing deep violet flowers with yellow bases, perfuming the air with a viola-like fragrance. Very early blooming, within a week after snowmelt. On wind-swept ridges just above timberline.

Primula minima (Primulaceae) (3x25,Z4,P,L,3:8w) ......................................................... 90 seeds / $4.00 56598.26 (W) Dolomites, 8200ft, 2500m, Italy. Mats of short dentate green leaves and stemless bright pink, notched flowers. From the acid region of the Dolomites.

Primula parryi (Primulaceae) (18x20,Z3,P,L,3:6w) ........................................................ 100 seeds / $3.50 70214.45 (W) Boulder Co., CO, 10950ft, 3338m. "Rocky Mountain Primrose" with magenta flowers.   Photo

Primula suffrutescens (12x9,Z4,P,L,3:8w) .......................................................................... 100 seeds / $5.00

 76970.50  (W) Plumas Co., CA, 7400ft, 2256m.  Rosettes of spoon-shaped, toothed leaves dot the alpine tundra with bright heads of magenta in late summer.  This Sierran species is one of the best.   Photo

Primula uralensis (18x10,Z4,P,L,3:8w) ………………………………………..........……... 50 seeds / $3.00

 87419.07  (= P. veris ssp. macrocalyx.) Bright yellow flowers from inflated calyxes over rugose, hairy leaves.

Proboscidea louisianica (Martyniaceae) (80x140,A,C,1) ................................................ 18 seeds / $3.00 54698.16 (W) Pueblo Co., CO, 4400ft, 1341m. "Unicorn plant" or "Devil's Claw." Large white and yellow flowers similar to the Catalpa tree, on sprawling, clammy-leaved plants. Probably best known for its oddly-shaped fruit, up to a foot long with wicked claws.

Pteropyrum olivieri (Polygonaceae) (60x120,Z5,P,L,3:8w) ........................................ 30 seeds / $4.00 65463.00 Small shrubs with fascicled, oblong leaves and pale pink flowers, followed by deep rosy-pink, winged fruit. Native to Pakistan and Turkey.

Ptilotrichum spinosum (Brassicaceae) (8x30,Z5,P,L,1) ................................................... 60 seeds / $3.50 76731.01 Prickly, mounding shrublets of silver-gray leaves are densely covered with white to pink flowers early in the summer. From the Atlas Mountains.

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