Azalea Tri Lights

Tri lights azalea growing and maintenance tips.

Azalea tri lights.

Researchers are screening 41 deciduous azalea varieties in replicated field plots in minnesota and ohio to identify mildew tolerant or resistant cultivars for use in future breeding. Broadleaf deciduous shrub matures at 5 x 5 ft 1 5 x 1 5 m tall deep rose buds open to flowers that are pink white with a yellow blotch. University azalea breeders continue to improve foliage quality and powdery mildew resistance. Azalea tri lights shrubs grow best if they are fertilized lightly in the spring once frost has passed with a well balanced extended release fertilizer such as espoma holly tone.

Most of the varieties in the field are also screened in growth. Northern lights azaleas were bred by the university of minnesota landscape arboretum to be very hardy and to have flower buds that can withstand temperatures of 30 to 45 degrees f. Fertilize azalea tri lights again 6 to 8 weeks later to encourage extra flowers or faster growth of young shrubs. Tri lights was introduced in 2000 and is a member of the northern lights series.

They may be grown in zone 3 with protection. They need protection from the midday sun and a fertile soil with a low ph. To promote flowering for the following season any pruning should be done soon after blooming to leave enough time for.