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ORNAMENTAL PLANTS OF HORTICULTURE VALUE

Selection of perennials

Pulsatilla Hill
Pasque flower
Ranunculaceae

About 12-30 species, depending on taxonomic treatment. Some authorities refer these species to the genus Anemone. In the FSU about 35 native species. The distribution area of the genus is the temperate regions of Eurasia. Many species are in cultivation. P. patens (L.) Mill. and P. aurea (Sommier et Levier) Juz. are well-known.

P. ajanensis Regel et Til.

Far East (coastal area along the Sea of Okhotsk). Mountain meadows, forest margins.

Plant 5-15 (-20) cm. Taproot deep and often split at the top. Leaves, stems and calyx with long, dense yellow hairs. Leaves petiolate, pinnately dissected. Involucral leaves 2-3-ternate, with narrow linear lobes. Flowers erect, cup-shaped, 3-3.5 cm long, blue or light violet. V - early spring to late autumn. Fl - May (St. Petersburg). Fr - June. P - by seed. Z 4 (3). New.

P. ambigua (Turcz. ex Hayek) Juz.

Siberia (southwestern regions), Mongolia and China. Sandy places, rocky mountain slopes.

Plant 20-30 cm. Taproot and verical rhizome stout. Leaves pinnately compound, 20-30 cm x 5-10 cm. Flowers blue-violet (rarely pink), nodding and flat spread at the beginning of flowering, erect and bell-like later. V - early spring to autumn. Fl - mid spring (in St. Petersburg May). Fr - June-July. P - by seed. Tolerates partial shade. Z 4. New.

P. tatewakii Kudo is very similar to P. ajanensis

It occurs in the Far East (Sakhalin).

Plant 15-25 cm, with bright violet flowers 3.5 - 5.5 cm. New.

P. taurica Juz.

Crimea. Dry grassy places, open mountain slopes, rocky places, cliffs.

Plant 25-35 cm when in flower. Taproot and rhizome stout. Basal leaves pinnately compound, broadly ovate or elongate-ovate, 20-25 cm x 5-10 cm. Flowers large, dark violet, densely pubescent. V - early spring to mid autumn, in St. Petersburg May-June. Fr - June-July. Propagation by seed. Grows in full sun and in partial shade. Z 5 (4). New.

SELECTION OF PERENNIALS
 
 
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