How to winterize hydrangeas

Knowing how you can winterize hydrangeas, you are able to safeguard your prized shrubs in the elements and revel in their glorious blooms coming back every year.

Using their colorful and flashy flowers, hydrangeas make striking garden suggestions for beds and borders, and beautiful container displays, so you wouldn’t like to get rid of these floral stars throughout a cold snap through being unprepared.

Include winterizing hydrangeas inside your listing of winter garden ideas to make sure that, come the appearance of spring, your treasured plants spring back to existence.

Hydrangeas usually can withstand the wintertime temperatures as long as looked after correctly. Ideally, you need to start fixing your hydrangeas in fall,’ explains Chris Bonnett, founding father of Gardening Express.


Whether you have to winterize your hydrangeas depends upon how cold the elements could possibly get where you reside.

‘Hydrangeas which are uncovered to winter temperatures of no under 5-10ºF (-15 to -12ºC) don’t need winter protection,’ explains Chris Link, co-who owns Plant Addicts.

If, however, you reside in a zone where winter temperatures typically dip below this level for prolonged periods, and you’re growing hydrangeas, then some protection might be needed.

‘Hydrangeas that blossom on old wood ought to be protected in cooler climates – zone 6 and below, ‘ Chris adds. Including Hydrangea Macophylla – mopheads and lacecaps.

‘Hydrangeas that blossom on new wood, however – including Hydrangea paniculata and smooth hydrangeas – generally have no need for any extra protection,’ Chris advises.


You are able to, winterize hydrangeas by cutting it well to try and eliminate any dead branches – this really is something that may be put into your list when preparing a winter garden.

There are numerous means of pruning hydrangeas, and whether you want to do this at the end of summer time, fall, or leave them untouched before the following spring really depends upon the kind of hydrangeas you’ve and where you reside.

‘In zone 7, I keep hydrangeas untouched with the winter and cut it well towards the second or third bud in the finish of every stem,’ states David Angelov, founding father of Plant Being a parent garden design and education in Massachusetts.

‘Take out all the previous year’s dead stems, as much as 3-4 inches in the base. This ensures you are not cutting live wood within the fall.

‘You shouldn’t cut hydrangeas back completely each year, arbitrarily, or else you will not have flowers on individuals hydrangeas that flower on old wood – the stems that emerged the year before,’ he adds.

Should you choose choose to scale back hydrangeas prior to the winter, then ‘aim to get this done prior to the first frosts. Should you wait too lengthy, outdoors cuttings in the dead branches could freeze and ruin all of your plant,’ explains Chris Bonnett.

Achieve this simultaneously when you are reducing other plants, like the method you’d adopt for overwintering geraniums.