This is the second year that forsythia have not bloomed. Midstate NY,
zone 5 ... 50 ft row ....six to eight foot high, 20+ years established
...they get trimmed back every summer by mid Aug at the latest so as
not to clip off next year's flower buds ...but parts that haven't
required trimming also haven't bloomed.
Is this environmental ie our area had winter conditions not conducive
Stew Corman from sunny Endicott
1. Try cutting some of the oldest canes down to the ground.
New, younger (and likely more productive) ones will emerge.
2. Apply a little fertilizer (and water if needed ) during the
3. As others have noted, you are pruning rather late in the
year. Best time is immediately following flowering season, so
that new growth (which will flower next spring) is not
4. Many folks (including me) think forsythia looks best if
unpruned or pruned as little as possible -- that encourages
the crazy sculptural form of the branches. I realize it
doesn't suit everyone's taste, but if you have space and
inclination for that, consider it. It can be supplemented
Best of luck.
On the North Carolina coast - Zone 8a
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Thanks Mike for your perspective.
These forsythia are part of a privacy hedge, so drastic cutback is not
However, if I were to just prune now, by mid Aug there would be 6 foot
high spikes ...every year I have pruned the same way and typically have
full flowering except these last two seasons.
I am tempted to trim now and not touch it again just to see what
happens ...but I think it is environmental, since I have not seen any
decent displays anywhere in our area
I have heard that if there isn't a lot of snow cover to protect the
flower buds--which were formed last year--and the weather is extremely
cold for an extended period (as it was here), the buds will die.
That's why so many forsythias here in sunny-at-the-moment Central NY are
blooming just around the base or in small patches--the areas that were
protected by snow.
Of course, what I have heard could be completely wrong...
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