Longleaf Pine (Pinus palustris), U.S.D.A. Forest Service Collection, Courtesy of the Hunt Institute
Sunset®: 25-28,31
USDA: 7-10A
Sun Exposure: Full sun
Origin: Southeastern USA
Growth Habits: Evergreen tree, 60 to 80 feet tall (18 to 24 m.), 30 to 40 feet in spread (9 to 12 m.), dark green needles, 0.75 to 1.5 feet long (22.5 to 45 cm.)
Fruit: Brown cone, 6 to 10 inches long (15 to 25 cm.)
Watering Needs: Little water to regular water
Propagation: Seed or occasionally cutting, grafting/budding, layering
- by semi-hardwood stem tip cuttings, in late autumn. Apply IBA TALC 8000 PPM. Use intermittent mist. Root in 16-22 weeks. Juvenile cuttings from younger trees root best..
- by air layers, in early summer. remove a ring of bark.
- by side graft grafts, in late winter.
- by seeds, in spring. Germinates at 68 degrees F. The seeds can be harvested in autumn. The seeds need 40F for 2mo.. The usual germination temperature is 68 degrees F.
Needles in 3s.
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