The inside of a pine cone holds developing seeds, which are protected by woody scales held together tightly by resin. The resin loosens and allows the scales to open when the seeds mature, giving the seeds the opportunit... More »

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Pine cones form by cross-pollination between two trees. Seed cones and pollen cones are the two types of cones that grown on the same pine tree. More »

Pine cones reproduce by releasing seeds, either with wing-like structures that help them be dispersed by the wind or without wings to be dispersed by animals. The cones themselves are made up of woody scales that protect... More »

A Norfolk pine can be planted outside as long as seasonal outdoor temperatures do not drop below 35 degrees. It also requires high humidity and several hours of direct sunlight a day. More »

Pine trees are low-maintenance trees, so they do not require extensive pruning. However, regular pruning can promote denser foliage and maintain an attractive shape and size. More »

Pine trees require at least some sunlight, regular watering and essential nutrients to survive. The trees thrive in moist, well-drained soil that is slightly acidic. Pines trees are hardy and grow strong with minimal car... More »

Mugo pines should be trimmed every year in the spring before the needles open. The most vigorous new growth should be trimmed first, followed by a second trimming a week later. More »

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