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Dracocephalum ruyschianum
Indigo Blue Dragonhead; Siberian Dragon's Head

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History of Flowering

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Other Plants Like This: Dracocephalum (Dragonheads)

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DERIVATION
Dracocephalum - From the Greek drakon (dragon) and kephale (head); referring to the shape of the corollas
ruyschianum - named for Frederik Ruysch, 17th century Dutch anatomist and botanist
FAMILY Lamiaceae (Mint Family)  Other Plants in the Mint Family
HABIT Herbaceous
GROWTH FORM Clump-forming
RANGE C Europe & Russian Federation, Japan
FLOWERS Purple (Blue-violet)
HARDINESS USDA Zone 4 (Coldest zone where hardy)
SUN REQUIREMENTS Sun
SPECIAL CHARACTERISTICS Plant Select | Steppe Plant Collection
COMMON NAME(S) Indigo Blue Dragonhead | Siberian Dragon's Head
Location Map for Dracocephalum ruyschianum (Indigo Blue Dragonhead; Siberian Dragon's Head) - 6 Map Locations Found
Click a marker pin or a green plant 'dot' for details. Map Help More Plant Locations

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Individual Locations for Dracocephalum ruyschianum: More Locations
(To display plant details, click the number in the table.)

Map
Key
Accession
Number
Year Location
No
Map
051181*3 2005 Non
Public
No
Map
170346*1 2017 Non
Public
No
Map
173098*1 2017 Seed
173098*2 2017 Plant Select Garden
173098*3 2017 Plant Select Garden
173098*4 2017 Plant Select Garden
174136*1 2017 Mordecai Childrens G
201060*1 2020 Plant Select Garden
203532*1 2020 Mordecai Childrens G
No
Map
220360*1 2022 Seed
No
Map
220609*1 2022 Steppe Garden

 

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  FLOWERING:
When Dracocephalum ruyschianum has been observed flowering
at Denver Botanic Gardens
  Flowering by Week 1 to 52
2006 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52

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  FRUITING:
When Dracocephalum ruyschianum has been observed fruiting
at Denver Botanic Gardens
  Fruiting by Week 1 to 52
2021 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52
2016 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52

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Images © Denver Botanic Gardens


Dracocephalum ruyschianum
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Dracocephalum ruyschianum
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© Denver Botanic Gardens, 1007 York Street, Denver, CO 80206

Photography © Denver Botanic Gardens

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