United Kingdom 
the tops of my penstemons which are forming flower buds are drooping and have a white powder on them ? how to resolve thanks Stephanie
On plant
Penstemon
29 Jul, 2010
Related photos
-
Spritzhenry
-
Louise1
-
Spritzhenry
-
Janette
Related products
-
Penstemon Collection 6 Jumbo Ready Plants
£13.99 at Jersey Plants Direct -
Penstemon Award Winning Collection 3 X 5 Plants*
£13.90 at Unwins -
Penstemon 'Dessert' Collection 3 X 5 Plants*
£13.90 at Unwins -
Penstemon 'snowstorm'
£8.50 at Burncoose
White powder sound like Mildew? do you have a pic?
29 Jul, 2010