The Ponderosa pine (scientific name: AsparagusretrofractusL.), also known as hydrangea pine, water pine, pine-leafed bamboos, pine-leafed asparagus, pine and bamboo grass, etc., for the asparagus family asparagus genus perennial shrubby herbs. Branches slender, short pine needle-shaped leaves, clustered into groups, very similar to the five-needle pine leaves. New leaves are bright green, old leaves are dark green. Flowers white, berries black. With small tuberous roots, with numerous clustered stems, much branched, grayish-white, woody at the base, bladelike or spiny. New leaves bright green, old leaves whitish powdery. Leaves compressed linear, clustered, globose, inserted on lignified branches, dark green. Flowers pale red to white, fragrant, July-August. It is a perennial evergreen herb. The plant is erect, 30-60cm tall, with small tuberous roots, many branches, and clustered stems. Leaves scale-like or spiny, new leaves bright green. Flowers light red, flowering period in July to August. Ponderosa pine plant height of about 1.5m, stems erect or slightly spread, woody shrubby. With white fat fleshy roots. The branchlets are slender, the leaves are short pine needle-like, clustered into groups, very similar to the five needle pine leaves. New leaves are bright green, old leaves dark green. Flowers white, berries black. With small tuberous roots, with numerous clustered stems, much branched, grayish-white, woody at the base, bladelike or spiny. New leaves bright green, old leaves white powdery. Leaves compressed linear, clustered, globose, inserted on lignified branches, dark green. Flowers pale red to white, fragrant, flowering in July-August. Ponderosa pine is mainly harmed by leaf blight, which can be sprayed with 50% carbendazim wettable powder 1000 times. Insect pests are whitefly and shellfish, available 40% oxidized Dongguo milk did not 1000 times the liquid spray