Therefore early or late freezes or bitter winters may damage the flower buds. But most of you have the older kind.
The primary reasons hydrangeas dont bloom are incorrect pruning bud damage due to winter andor early spring weather location and too much fertilizer.
Why didn t my hydrangeas bloom. Fluctuating winter temperatures killed much of the top growth eliminating the first flush of blooms that form on old wood. Another reason gardeners wind up with no flowers on hydrangeas is usually due to sunlight lack of it. Heres the key to understanding your plant.
Plant the hydrangea here unless the sun bakes this space in the summer. For all but panicle hydrangea Hydrangea paniculata the ideal setting for hydrangea shrubs tends toward morning sun and afternoon shade. This is the place where the snow melts first and the daffodils poke up and bloom before all other narcissus in your gardens.
Many customers ask why their hydrangeas arent blooming. Bloom may well be affected if nutrients in the soil are out of balance. Nitrogen produces dense vegetative growth and dark green leaves at the expense of flowers.
Some hydrangea varieties grow flowers off new wood and some grow flowers off old wood. Youre Watering Too Little Or Too Much The second reason why you might not be getting blooms on your hydrangea is that you are giving it too little or too much water. Lets start with pruning Hydrangea varieties can be of the type that blooms on old wood new wood or both.
This species bloom on ONE YEAR OLD WOOD. Hydrangeas that flower off of newly grown wood dont present much of a blooming. Simply stated last years canes died.
There are plenty of reasons why your hydrangeas may not be blooming as much as they once did. If your hydrangea wont flower youll want to figure out which variety you have. No when hydrangeas dont bloom and Grumpy is talking about all types of hydrangeas here its almost always due to one or more of the following reasons.
Poor soil nutrition. The other reason that hydrangeas dont bloom is pruning at the wrong time. Unfortunately this wood is only hardy to zone 6 and 12 degrees below zero is much too cold.
You pruned at the wrong time. Httpsbitly2MWngw8Why Isnt My Hydrangea Bloom. The plants seemed to thrive they just didnt bloom.
One of the most common bloom-stopping mistakes you can make and a reason your Endless Summer hydrangea is not blooming on old wood is improper pruning advises Plant Addicts. So even if you cut em to the ground theyre still gonna grow back and bloom. Like most plants the hydrangea is sensitive to both under- and overwatering.
They only bloom on buds that were set last fall. Those with second year plantings often see little or no bloom. Photo by Arno Senoner on Unsplash.
Fortunately many of the common issues that keep hydrangeas from flowering have simple fixes. When your hydrangea wont bloom it is often due to the species of hydrangea youve planted. Here are the top 5 reasons your hydrangea might not be bloomingWatch more informational gardening videos.
Heres 5 possible reasons and if you are still. The newer kind of hydrangeas the re-bloomers they bloom on both last years growth and this years growth. Heat and drought may have damaged or prevented the formation of flower buds on new growth.
Conditions like extreme heat drought or excessive sun exposure can all impact how many flowers your shrubs produce. Find the warmest micro-climate on your property. Hydrangeas appreciate afternoon shade.
If you cut back a hydrangea between the autumn and early spring and it blooms on old wood you have trimmed off all the future flowers. Hydrangeas are beautiful so lets try to figure out why you went without these wonderful blooms all season. The most likely culprit is an excess of nitrogen probably caused by regular fertilizing of nitrogen-craving lawns next to the hydrangea bed.
This froze the blooming wood on most old fashioned pink and blue Hydrangea macrophylla varieties.