Pinus glabra aka Spruce Pine

Taxonomy ID: 12307

Pinus glabra is an evergreen tree in the pine family. Its common names include spruce pine, cedar pine, and Walter's pine. It grows wild across the southeastern United States. Its range runs from southern South Carolina to Louisiana and northern Florida. It grows among hardwoods in river valleys, swamps, and bottomlands. It seldom forms stands made up of only pines.

Garden trees reach about 30–50 feet (9.1–15.2 metres) tall. Their spread reaches 30–40 feet (9.1–12.2 metres). Wild trees can reach 90–100 feet (27.4–30.5 metres). Growth is slow, and the crown is oval or rounded. Some trees have a more open crown. The trunk may grow straight in open sites. Under taller trees, it can bend and twist. Young twigs are thin, smooth, and reddish brown or purple. They turn gray with age.

The dark green needles grow in pairs and twist slightly. Sources give needle lengths of about 1.5–4 inches. Thin bark has shallow cracks and reddish gray-brown tones. Older bark can become darker and scaly near the base. Bark higher on the trunk may stay smooth and gray. This tree makes cones rather than flowers. Cone production starts at about ten years old. Brown seed cones stay on branches for several years. Sources give cone lengths from 1.5 to 5 inches. Purple-brown pollen cones cluster near twig tips, above the seed cones.

In gardens, spruce pine needs full sun and steady soil moisture. It also tolerates shade well in its native woods. Moist or wet sites suit it, including stream and pond edges. It does not tolerate flooding that lasts a long time. NC State lists USDA hardiness zones 8a through 9b. The tree needs little routine care and resists deer. Gardeners use it for shade, screens, and windbreaks. It also serves as a lawn specimen or woodland tree. Other uses include bonsai and Christmas trees.

Squirrels, other mammals, and northern bobwhite eat its seeds. Imperial moth caterpillars feed on the tree. Its brittle wood and poor wind resistance raise storm concerns. Its thin bark gives it little protection from fire. NC State also lists high flammability. Bark beetles can attack it, including the southern pine beetle. Gall mites damage shoot tips and cause galls. Cankers can cause branches to die back. The supplied sources do not establish human edibility or toxicity.

Common names

Spruce Pine, Poor Pine, Walter Pine

More information about Spruce Pine

How difficult is it to take care of Spruce Pine

Spruce Pine is a low-maintenance plant that requires minimal attention, making it an excellent choice for beginners.

What are the water needs for Spruce Pine

💧 Moist to wet
Spruce Pine should be watered regularly, allowing the soil to dry out between waterings.

What is the right soil for Spruce Pine

pH: Adaptable
Spruce Pine loves a well-draining soil. Perlite and vermiculite help with drainage, while coco coir adds organic matter, so a good potting soil mix will have all three. You can improve store-bought soil by adding some perlite to it.

What is the sunlight requirement for Spruce Pine

Spruce Pine requires abundant, bright and direct light. Placing it less than one foot from a window is the best way to make sure the plant receives enough light to survive and thrive. Depending on your region, however, the current weather can affect the placement of the plant in your home. For example, in some areas the sun may be too direct and intense, so it's best to place it farther away from the window. You may also need to adjust your placement according to the season as the sunlight can change intensity over the course of the year. If you live in a region with significant temperature fluctuations, such as a desert, you may need to place the plant a bit farther away from the window to avoid extreme heat or cold. With some care and attention, your Spruce Pine will be sure to bring you many years of beauty and enjoyment.

How to fertilize Spruce Pine

The growth of Spruce Pine is gradual and it doesn't necessitate any additional fertilizers. Replacing the soil in its pot once a year should suffice to provide the plant with sufficient nutrition. It's important to keep in mind that plants derive their energy from the sun's rays, not fertilizers.

Is Spruce Pine toxic to humans/pets?

Ploi does not possess verified information regarding the toxicity of this particular plant. In the event that you, a member of your family, or a pet ingests plant material with an unclear toxicity level, it is highly recommended to seek the advice of a medical professional.

More info:
Wikipedia • GBIF

Sources

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