
Pinus attenuata - Knobcone Pine (Seed)
A fast-growing pine and an excellent choice for local foothills. Smog tolerant. Prefers shallow, acidic, infertile soils, especially serpentine. Occasionally muti-trunked. Plant Characteristics Species Name Pinus attenuata Common Name Knobcone Pine Plant Type Trees Height by Width 40ft. x 20ft. Flower Color None Flowering Months None Sun Exposure Inland-Sun Water Requirement Low Soil Type Sand, fast draining Sowing Season Fall/Winter Sowing Difficulty Level* Moderate Sowing Pretreatment Cold stratification * Sowing difficulty levels: Easy: Sow in-ground or in pots with simple or no pretreatment Moderate: Sow in-ground or in pots with pretreatment; may produce staggered germination Difficult: Sow in pots with pretreatment and stratification; may produce staggered germination