Az. Adriaan Koster
Description: Deciduous; large trusses of deep pure yellow flowers borne before the leaves.
Parentage: Mollis x kosterianum
Ultimate Height: 1.75 meters after 10 years
Flowering Period: This plants flowers in the North Hemisphere around early May
Availability: YES this item is normaly in stock, but due to exceptional demand or propagation difficulties there may be a temporary shortage.
Hardiness
UK Zone
4RHS Zone
H (Fully Hardy)EGF Zone
H2US Zone
7AMin Temp
-18°C (0°F)Hardy in all but the coldest parts of Pacific Northwest and UK, France and northern Italy, around Bergen (Norway) and mildest parts of NE USA such as Cape Cod and parts of Long Island. (Please note.)