Like the trees that produce them, bristlecone needles are long-lived; they last up to 30 or 40 years. While living bristlecone limbs thus carry a heavy load of needles, such a stable needle mass ...

Known for its sturdy branches and excellent needle retention, the noble fir is a top choice for ... green Christmas tree that lasts all month long! The post How to Keep Your Christmas Tree Green ...

Growing trees ... needles. Primary branches turn upwards while secondary branches drape slightly for an elegant flowing appearance. Norway Spruce grows in USDA hardiness zones 2 to 7. Douglas Fir ...