Petasites Species, Bog Rhubarb, Giant Japanese Butterbur, Sweet Coltsfoot (Petasites japonicus subsp. giganteus)

Petasites japonicus var. giganteus. Photo taken 2005-07-20. Great for deep shade, clay gardens where a boggy environment is maintained.

by lourspolaire Jul 21, 2005 10:54 PM

Large foliage that is not for a perennial bed. It doesn't know it's place and will grow everywhere.

by mgarr May 27, 2006 10:23 PM

by victorgardener May 15, 2005 11:28 PM

3/25/2007 Zone 7b Flower and seed pods come up first then the leaves begin to grow

by judycooksey Mar 26, 2007 3:25 AM

close-up of bloom

by dawndoll2 Apr 21, 2008 1:18 AM

4/24/09

by turektaylor Apr 23, 2009 8:41 PM

This thing was the size of a quarter when I planted it 4 days ago...now it's the size of a cantaloupe.

by giftgas May 5, 2009 6:07 PM

Its spread is limited by lawnmowing and the size of the damp area where it flourishes

by wthomsjr Jul 10, 2010 9:36 PM

UBC Botanical Garden

by growin Jul 27, 2011 1:48 PM

UBC Botanical Garden

by growin Jul 27, 2011 1:48 PM