Northern Lights Azalea For Sale. They can be grown in soils up to ph 6 5 when plenty of ericaceous compost is added. Released by the university of minnesota landscape arboretum in 1994 northern hi lights is hardy to zone 4.
It tends to be a little leggy with a typical clearance of 1 foot from the ground. Northern hi lights a lovely two toned flower. This deciduous azalea is a welcome addition to the garden for those of us who must suffer through brutally cold winters.
Deciduous azaleas have a stronger root system and will tolerate poorer conditions and a slightly higher ph than other rhododendrons.
They prefer light dappled shade but can also be grown in sun or more shade. The former species is an american species found from main south. The northern lights azaleas were developed by the university of minnesota landscape arboretum bred for their extreme cold hardiness. They prefer light dappled shade but can also be grown in sun or more shade.