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  1. More Images

    Dracocephalum ruyschiana

    Dracocephalum ruyschiana is a species of Dracocephalum. It is native to Eurasia. Wikipedia

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  3. highcountrygardens.com

    Northern Dragonhead (Dracocephalum ruyschiana) is a bushy perennial that enjoys a full-sun site with some shelter from afternoon rays in hot climates. Each flower resembles a gaping dragon's head - hence Northern Dragonhead's common name! Though tolerant of drier soils, Northern Dragonhead appreciates regular watering and will do its best ...
  4. en.wikipedia.org

    Dracocephalum ruyschiana. L., 1753. Dracocephalum ruyschiana is a species of Dracocephalum. [1] It is native to Eurasia. [1] Synonyms. Dracocephalum alpinum Salisb. [1] Dracocephalum angustifolium Gilib. [1] Dracocephalum hyssopifolium Mart. ex Steud. [1] Dracocephalum spicatum (Mill.) Dulac [1]
  5. Northern Dragonhead (Dracocephalum ruyschiana) General Plant Information ; Plant Habit: Herb/Forb: Life cycle: Perennial: Sun Requirements: Full Sun Full Sun to Partial Shade: Minimum cold hardiness: Zone 2 -45.6 °C (-50 °F) to -42.8 °C (-45°F) Maximum recommended zone: Zone 8b: Plant Height: 8 - 15 inches: Plant Spread: 12 - 15 inches:
  6. plantlust.com

    Dracocephalum ruyschiana is a broadleaf deciduous perennial with green foliage. In summer blue flowers emerge. Does well in well-drained soil. CHARACTERISTICS OF Dracocephalum ruyschiana Plant type: perennial Plant family: lamiaceae Foliage: deciduous green Mature size: 12 IN - 18 IN - wide, 6 IN - 12 IN - tall Flowers: blue blooms in summer GROWING CONDITIONS for Dracocephalum ruyschiana USDA ...
  7. powo.science.kew.org

    Dracocephalum hyssopifolium Mart. ex Steud. in Nomencl. Bot. 1: 285 (1821) Dracocephalum ruyschiana var. alpinum Herder in Bull. Soc. Imp. Naturalistes Moscou 41(I): 385 (1868) Dracocephalum ruyschiana var. pauciflorum Regel in Index Seminum (LE, Petropolitanus) 1866(Suppl.): 31 (1867 publ. 1868) Dracocephalum spicatum (Mill.) Dulac in Fl ...
  8. plants.tagawagardens.com

    Dracocephalum ruyschiana. Add To My Wish List . Dragonhead flowers (Photo courtesy of NetPS Plant Finder) Dragonhead in bloom (Photo courtesy of NetPS Plant Finder) Plant Height: 8 inches. Flower Height: 12 inches. Spread: 18 inches. Sunlight: Hardiness Zone: 3. Ornamental Features. Dragonhead has masses of beautiful spikes of blue hooded ...
  9. powo.science.kew.org

    Dracocephalum ruyschiana L. First published in Sp. Pl.: 595 (1753) This species is accepted The native range of this species is Europe to Mongolia. It is a perennial and grows primarily in the temperate biome. Taxonomy; Images; General information; Descriptions; Descriptions. According to Angiosperm Extinction Risk Predictions v1 ...
  10. species.wikimedia.org

    Dracocephalum ruyschiana. Published online. Accessed: May 03 2022. USDA, ARS, Germplasm Resources Information Network. Dracocephalum ruyschiana in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 07-Oct-06.

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