Cut the hydrangeas in the morning when it’s cooler. Your flowers will look fresher than if they’ve been under the hot sun all day. Since the flowers are fresher, they will last longer in your arrangement.[1] X Research source. It’s best to wear gloves while you cut the flowers. PreservingCutHydrangeaBlooms: How To Make Hydrangeas Last Longer. Tonya Barnett's avatar.When going into the garden to cuthydrangeablooms, make certain to bring a bucket of clean water. Immediately after cutting, place the flowers into the water. How To PreserveHydrangeaBlooms. Dried Hydrangeas Centerpiece.Extend the beauty of your hydrangeablooms by cutting and drying blossoms. Here are some simple techniques with stunning results. #southernliving #hydrangeas #cutflowers #howto. If hydrangeablooms start to prematurely wilt you can totally submerge them in a “bath” of water for about 45 minutes. Then recut and place the stems into boiling water and then back into a vase of fresh water. They should revive in a couple of hours and live another day or two. Warning: ‘Little Lime’ hydrangeablooms on new wood so you can prune in the fall or in late winter. If your hydrangeablooms on old wood, don’t prune it now! You’ll be cutting off all the treasured blooms!. What do you do to prevent your hydrangeas from flopping?. To preservehydrangeablooms, you can dry them by hanging them upside down in a dark, dry place. Another method is to place the blooms in silica gel or glycerin solution to retain their color and shape. How Do You Hang A Hydrangea? To dry hydrangeas effectively, cut the blooms with clean, sharp shears, leaving a 12 to 18-inch stem.To preservehydrangeas, start by preparing an airtight container that accommodates the flowers without overcrowding. Find blooms that are already semi-dry. For example, Annabelle hydrangeasbloom in a beautiful white and then turn a lime-green color, indicating they’re semi-dried out. Cut stems on a diagonal to make sure that your blooms have the longest vase life possible. As soon as hydrangeas are cut the stems should immediately be put into tepid water. Use a sharp knife or sharp clippers to cut each stem on a diagonal and submerge! 2. Cuthydrangeas in the morning and choose only the most mature blooms. How to PreserveCutHydrangeas? What Causes Hydrangeas to Lose Leaves and Fail to Bloom? Avoid These Mistakes for Abundant Flowering.” Hydrangeas are one of the most popular ornamental shrubs, and for good reason. Smooth hydrangeas – Hydrangea arborescens. These hydrangeasbloom in mid to late summer on new wood – the current season’s growth. They should be pruned in late winter or early spring BEFORE they leaf out. How to Prune Old BloomerHydrangeas for Winter. To preservecuthydrangeas effectively, begin by cutting off all lower leaves and trimming stems at an angle with sharp scissors. Dip the cut ends in Alum powder, and remember to change the water every few days to keep the blooms fresh. Tips for Keeping CutHydrangeaBlooms Fresh. Hydrangeas are notoriously thirsty once cut and can wilt quickly due to the large surface area of their petals, which allows for rapid water loss. Hydrangeas that bloom on old wood require careful pruning to preserve their flower buds and encourage healthy growth. When: Prune in late winter or early spring before new growth begins.