Can azaleas tolerate frost?
Similarly one may ask, how cold can azaleas take?
Certain rhododendrons and deciduous azaleas can survive temperatures as low as -35°F (-37°C). It is normal for some rhododendrons to exhibit leaf droop and curl at around 32°F (0°C).; the lower the temperature the tighter the curl.
Also, what plants need to be covered during a freeze? Frost protection is especially important for tender plants such as geraniums, begonias, impatiens, peppers, and tomatoes. In the spring, use row covers if you have tender vegetable seedlings and transplants in the spring. Row covers or garden fleece can also be used to help create a warmer environment beneath them.
Hereof, do I need to cover azaleas Frost?
Many shrubs will withstand freezing temperatures, and unless temperatures are expected to drop into the low 20s or teens, few cover these shrubs. Some gardeners cover azaleas, especially when in bloom, during a hard freeze. The plants will survive covered or not, but frost will ruin any flowers.
Do rhododendrons need to be covered in winter?
Rhododendron, if the proper cultivar for our area and planted correctly, should not need to be covered for winter protection. However, rhododendrons and azaleas should be planted in a somewhat protected area so they are not subjected to the brutal north wind and harsh winter sun.