Xtremehorticulture

Peaches Turning Red But the Size of Walnuts

Q. I have a peach tree loaded with peaches about size of walnuts,
the branches hanging way down low, they have a red color to them and hard as a
rock. What should I do? Is it too early to trim branches? I think cold weather
hurt the tree.


A. It is a bit hard to get a handle on the problem without knowing
more about which peach tree variety it is and when it normally has its fruit
ripen. It is normal for peach fruits to be “hard as rocks” up until a
week or so of a normal harvest time.
They may also develop color long before they are
ready to harvest. However, judging from the size you mention (walnuts) and
color development, it sounds like the fruits were not thinned earlier (removing
many small fruits soon after they developed after flowering so that fruit
spacing was about 4 inches apart) or the tree was not watered adequately or
both.
Not watering with enough water or frequently
enough will also result in an open canopy (lots of space between leaves so you
can easily see through it) and small fruit.
Unless you are in a very cold climate or you had
a very late hard freeze (hard freeze after flowering) I would not guess you had
cold damage.

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