USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
A Massachusetts state prohibited plant, and in Washington, a class B noxious weed. A recent infestation in Vermont has gathered a lot of ...Read More
This plant has been spread around here in Ontario with claims of it being "Sweet Cicely" or Osmorhiza claytoni. They are both in the Pars...Read More
Thanks for the commentary (above). I'd tried to germinate Anthriscus sylvestris 'Raven' because I saw it in the UK and thought it a gorg...Read More
This is an invasive plant, noxious weed, which should never be planted in the US! There are very limited options for getting rid of the ...Read More
A noxious weed to be sure, Wild Chervil is taking over my home town of St. John's, Newfoundland. Overall, it is a rare European exotic i...Read More