In the spring the sap starts rising in the trunk just before the buds
swell and continues to rise until the flowers and leaves are fully open.
If the trunk freezes while the sap is rising, the sap expands and pops a
split in the bark.
Pardon my spam deterrent; send email to email@example.com
Visit my Rhododendron and Azalea web pages at:
HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here.
All logos and trade names are the property of their respective owners.