More info
Reference
Symphytum officinale
Data sheet
Family
Boraginaceae
Solar exposition
Semisombra
Sol
Planting time (Northern Hemisphere)
April
June
March
May
November
October
September
Hardiness (USDA)
3a
3b
4a
4b
5a (temp. mín. -28.9 to -26.1 °C)
5b (temp. mín. -26.1 to -23.3 °C)
6a (temp. mín. -23.3 a -20.6 °C)
6b (temp. mín. -20.6 a -17.8 °C)
7a (temp. mín. -17.8 a -15 °C)
7b (temp. mín. -15 a -12.2 °C)
8a (temp. mín. -12.2 a -9.4 °C)
8b (temp. mín. -9.4 a -6.7 °C)
9a (temp. mín. -6.7 a -3.9 °C)
9b (temp. mín. -3.9 a -1.1 °C)
10a (temp. mín. -1.1 a 1.7 °C)
10b (temp. mín. 1.7 a 4.4 °C)
Lifecycle
Perennial
Flower color
Purple
Foliage
Vivaz
Spacing
30-35 cm
Height
60-90 cm
Condition
New