cow manure put into the middle of the bush. I go cow pie picking every year
in the pasture next door and pick the ones that are dried up and easily
lifted with a garden fork, so in your case, composted cow manure, something
like Black Kow they sell at Lowes or Depot. Fresh might burn it. If you
have access to real finished compost, top dress it with that. My oak leaf
blooms every year and I think it's because it's fed regularly, but where
they're a wild shrub in Georgia, they happily live in woods, so leaf litter
and composted leaves and humus is another must for them.
madgardener East Tennessee, zone 7, Sunset zone 36 who has planted two young
Oakleaf hydrangea's butt to butt for a fuller shrub.
Hi Judy, My hydrangea bloomed for the first time this year! I'm in
zone 7. I fertilized mine with Miracle Grow, fish emulsion, and
compost. It took it 5 years before it finally bloomed and the
clusters are over 8" across! Last year it put out a lot of leaves (no
blooms). A praying mantis was frequently seen standing tall on the
topmost leaf. I buried the hydrangea in leaves to keep it from dying
back as in previous years--maybe that's what did the trick.
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