Immature pine cones dropping from my trees - Ask Extension Knowledgebase Immature.

Jun 05, Some of the female cones take up to 12 months to grow mature seeds. Mature cones will fall from the tree in winter and spring. The female cones on some pine species will open to receive pollen and then close and reopen to fall off the tree or to disperse seeds.

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The large cones falling may be the female cones pollinated last year. Nov 18, The Osage orange tree drops its fruit, a bumpy, yellow-green apple-sized sphere, in fall.

Inside is a fleshy exterior and tiny seeds. The thorny trees do provide nesting and cover for bushmulching.barted Reading Time: 3 mins. Oct 15, There are hundreds of types of galls and perhaps that many that will select oak trees. The tiny 'poppy seeds' on your lawn and under the tree are, indeed, galls, and probably produced by a tiny, harmless wasp.

This type of leaf gall does not harm the tree.

We get this inquiry occasionally and just had another one today.

Apr 09, ANSWER: The live oaks are dropping male catkins. Their structures carry the male flowers of the trees.

Live oaks, like many shade trees, produce separate male and female flowers on the same bushmulching.barted Reading Time: 2 mins.