100Pcs Heptachromic Violet Garden is one of our Garden & Outdoor product for Garden Seed.
Boiled high temperature and water, cold and frost, day temperature if the continuous above 30 ℃, the flower buds disappear, or do not form petals
Day temperature 25 ℃
Only flowering is not strong, even strong, the seeds are also developed.
Roots can be resistant to -15 ℃ low temperature, but less than -5 ℃ leaves frozen by the edge of the yellow.
Hi fertile, well drained, organic-rich neutral loam or clay loam, pH is 5.4 ~ 7.4. Perennial flowers, often for biennial cultivation