Donna, probably all related to the weather cycle: temps and rainfall amounts.
If extreme dry hot conditions persist over the summer these embryonic acorns may abort causing the loss of that years crop. About late summer/ mid August the acorn begins to rapidly enlarge to reach its maximum size in just a few short weeks.
There is great variability in size and shape of white oak acorns between individual trees depending on their specific genetics and local growing conditions. Chuck in Conyers.
All brown and same size as every other year.
A: What good information! I’ve always wondered why oaks dropped small stumpfelling.clubg: Rowlett TX. Aug 03, Green acorns on an oak are a common sight in summer. Typically, acorns “fall” around fall- in boom and bust cycles - to help plant new trees and to provide a nutritious food source for a number of critters.
But when the acorns are green and dropping early, it indicates the tree is under some kind of weather-related stumpfelling.clubs: Jul 14, It is not normal for oak trees to drop immature acorns during the early to mid-summer.
That is a sure sign of stress. While putting out trail cameras last week, I notice three different oak trees aborting their acorns.
Immature acorns were all over the ground and just raining stumpfelling.clubg: Rowlett TX. I have a live oak that's about 16 years old and appears to be healthy. However it is dropping acorns by the hundreds and apparently dropping them early. I've looked all over my neighborhood and none of the the other live oaks have this problem.
The others seem to form acorns about a month later than mine and don't seem to drop nearly as stumpfelling.clubg: Rowlett TX. Oct 15, What are the pellets falling from oak trees? # Asked October 15,PM EDT. Can you tell me what the tiny, beige-to-green dots are under the oak leaves this time of year?
My yard has mostly white oaks and my roof and sidewalks are covered with these poppy-seed-sized pellets that are dropping off the underside of the leaves. The Missing: Rowlett TX.