Ball Perennial Manual (Εγχειρίδιο πολλαπλασιασμού και παραγωγής πολυετών φυτών - έκδοση στα αγγλικά)

Ball Perennial Manual
Propagation and Production

Unravel the mysteries of seed germination, divisions, cuttings, and other forms of perennial propagation. This "cultural cookbook" on herbaceous perennials contains valuable information on 149 genera and 300 species of plants. Specifically written for professional growers.