R. David
Description: Upright shrub, well covered in dark green leaves. Well formed trusses of dark red flowers,
Parentage: Hugh koster x neriiflorum
Ultimate Height: 3.0 meters after 10 years
Flowering Period: This plants flowers in the North Hemisphere around April - May
Availability: This plant is not available at present
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.)