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PHLOX


pink; ‘Delta’, white with pink eye; ‘Natascha’, pink and white bicolor in a striking pinwheel pattern; ‘Omega’, white with purplish pink eye; and ‘Rosa- linde’, deep rose pink. P. paniculata. SUMMER


PHLOX. Zones 1–14, 18–21. From eastern North America. To 3–5 ft. tall, 2 ft. wide, with narrow, pointed leaves. Fra- grant, 1-in. fl owers in large, dome-shaped clusters appear throughout summer. Colors include white and shades of lavender, pink, rose, and red; blooms of some varieties have a contrasting eye. Mildew- resistant varieties include ‘David’, pure white; ‘Miss Mar- ple’, white with reddish pink eye; ‘Eva Cullum’ and ‘Miss Pepper’, pink with red eye; ‘Miss Candy’, hot pink; ‘Pink Red Eye Flame’, deep pink with red eye; ‘Bright Eyes’, rose-pink with darker eye; ‘Laura’, deep pinkish purple with white eye; ‘Miss Violet’, purple; ‘Blue Para- dise’, deep violet-blue; and the Volcano series (white, purple, lavender, red, pink with white eye, and pink with red eye). Varieties with white-variegated leaves are available.


Summer phlox thrives in full P


sun, but fl ower color may bleach in hottest areas; performance is better in northern than in southern climates. After setting out young plants, pinch stem tips to induce branching. Mulch to keep roots cool. Divide every few years, replanting young shoots from outside of clump. Very susceptible to mildew at end of bloom season. To mini- mize the problem, provide good air circulation: don’t crowd plants, and thin mature plants to leave only six to eight stems. P. stolonifera. CREEPING


PHLOX. Zones A2, A3; 1–17. From eastern North America. Creeping, mounding plant to 6–8 in. high, 1 ft. wide, with narrow evergreen leaves. Pro- fuse springtime show of 1-in., lavender fl owers. Varieties include ‘Bruce’s White’, laven- der-blue ‘Blue Ridge’, rich pink ‘Home Fires’, and deep laven- der ‘Sherwood Purple’. Light shade. P. subulata. MOSS PINK. Zones 1–17. From eastern U.S. Forms a mat to 6 in. high and 11⁄2 ft. or wider, with creeping


stems clothed in small, needle- like evergreen to semievergreen leaves. Blooms profusely in late


spring or early summer, bearing 3⁄4-in. fl owers in white and colors including pale to deep shades of pink, and lavender- blue. Plant in loose, not-too-rich soil; give moderate water. After fl owering, cut back halfway. Spe- cialists offer dozens of varieties and hybrids, such as ‘Tamanon- agalei’ (‘Candy Stripe’), which has rose-pink blossoms edged in white; it is more drought- tolerant than the average moss pink and has good fall rebloom.


Phoenix DATE PALM


Arecaceae PALMS


ZZONES VARY BY SPECIES FFULL SUN, EXCEPT AS NOTED O REGULAR WATER


native. Hardy to 20°F (–7°C); slow to recover from hard frosts. Big, heavy-trunked plant that grows slowly to 60 ft. tall, with a great many bright green to deep green, gracefully arch- ing fronds that form a crown to 50 ft. wide. Not for small city lots. Young plants do well in pots for many years, looking something like pineapples. Takes seacoast conditions. P. dactylifera. DATE PALM. Zones 8, 9, 11–24; H1, H2. Leaves killed at 20°F (–7°C), but plants have survived 4°F (–16°C). Native to the Mideast. Classic palm of desert oases. Slender-trunked tree to 80 ft., with a crown 20–40 ft. wide; gray-green, waxy leaves have stiff, sharp-pointed leafl ets. Sends up suckers from base; natural habit is a clump of several trunks. Bears dates of commerce; principal variety is ‘Deglet Noor’. Too large and stiff for most home gardens. Does well at seaside, in desert. P. reclinata. SENEGAL


DATE PALM. Zones 9, 13–17, 21– 24; H2. Damaged below 25°F (–4°C). Native to Africa. Grows to 20–30 ft. tall and wide. Pro- duces offshoots, forming pic- turesque clumps with several curving trunks; if you want a single-trunked tree, remove off- shoots. Fertilize for fast growth. Good seaside plant. P. roebelenii. PYGMY DATE


Phoenix dactylifera


These feather palms are mostly large trees, though the following list includes several small enough for home gardens. Trunks are patterned with bases of old leafstalks. Small yellow- ish fl owers are held in large, hanging sprays. On mature female trees, blossoms are fol- lowed by clusters of dates if a male tree is nearby. Dates of P. dactylifera and P. sylvestris are used commercially; those of other species don’t have as much edible fl esh. Date palms hybridize freely, so buy these trees from a reliable nursery that knows the seed or plant source. P. canariensis. CANARY ISLAND DATE PALM. Zones 8, 9, 12–24; H1, H2. Canary Island


PALM. Zones 13, 16, 17, 22–24; H2; or indoors. Foliage browns at around 26°F (–3°C) but recov- ers rapidly in spring. From Laos. Small, slow-growing, single- trunked palm to 6–10 ft. tall. Fine-textured, curving leaves form a dense crown to 6–8 ft. across. Good in groves or as a potted plant. Full sun or partial shade. Indoors, provide bright indirect light. P. rupicola. CLIFF DATE


PALM. Zones 13, 16, 17, 19– 24; H1, H2. Hardy to 26°F (–3°C). Native to India. As stately as P. canariensis but slender trunked and much smaller, reaching only 25 ft. tall and 15–20 ft. wide. Lime green foliage is soft and lush-looking; lower leaves droop gracefully. Best with some shade when young. P. sylvestris. SILVER DATE


PALM. Zones 8, 9, 12–24; H1, H2. Hardy to 22°F (–6°C).


Native to India. Beautiful single- trunked palm to 30 ft. tall, 20–25 ft. wide. Tapering trunk is wide at base, narrow at top. Dense, rounded crown of gray- green leaves. Sap is used com- mercially for making date sugar.


Phormium


Hemerocallidaceae PERENNIALS


ZZONES 7–9, 14–24; H1, H2; REGROW AFTER FREEZES


IN ZONES 5, 6


FP FULL SUN OR PARTIAL SHADE NDOLITTLE TO REGULAR WATER


Phormium ‘Jubilee’


From New Zealand, these dra- matic plants have many sword- like evergreen leaves that grow in a fan pattern; they’re good massed or used as focal points. Many variegated selec- tions provide year-round color in perennial and shrub borders, on hillsides, in seaside plantings, near swimming pools. Cool weather intensifi es foliage col- ors. On established plants, branched clusters of tubular fl owers appear in late spring or early summer, rising to twice the height of the foliage clump in some kinds. Hummingbirds love the fl owers. Rugged P. tenax varieties are sturdy and fast growing. They take almost any soil, little to regular watering, hot or chilly conditions; do well at seacoast. They will take poor drainage to a point; crown rot can be a problem if they are planted too low in poorly drained soil. Rigid, upright leaves seldom sunburn. Subject to summer rot in low desert, but replacement plants set out in fall will grow quickly. Use as windbreak along coast;


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