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Description

Bloom Color: Yellow. Main Bloom Time: Early spring, Late spring, Mid spring. Form: Oval, Pyramidal.

Pinus albicaulis is an evergreen Tree growing to 20 m at a slow rate.
It is hardy to zone 2. It is in leaf all year, in flower from May to June, and the seeds ripen in September. The species is monoecious and is pollinated by Wind. The plant is not self-fertile.
Suitable for: light and medium soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: acid and neutral soils. It cannot grow in the shade. It prefers dry or moist soil and can tolerate drought. The plant can tolerates strong winds but not maritime exposure.

Cultivation

Landscape Uses:Specimen. Thrives in a light well-drained sandy or gravelly loam in a sunny position. Dislikes poorly drained moorland soils. Established plants tolerate drought. Plants often colonise exposed mountain slopes in the wild, their root system anchoring them firmly. A long-lived but slow-growing tree in the wild. It grows well in Britain, coning regularly at Kew, but not doing so well in the milder parts of the country. It is best suited for growing in northern areas at higher elevations. Trees do not produce large numbers of cones but small numbers are formed annually. The cones are up to 8cm long, they ripen in late summer and do not open on the tree but fall intact to the ground. This species is the only N. American pine with this habit and it is thus considered to be a primitive species. The seed is extracted by breaking up the soft scales of the cone. Birds and mammals often open the cones and eat the seeds before they mature. Leaf secretions inhibit the germination of seeds, thereby inhibiting the growth of other plants below the tree. Plants are strongly outbreeding, self-fertilized seed usually grows poorly. They hybridize freely with other members of this genus. This species is closely related to P. flexilis, differing mainly in the cones. Plants in this genus are notably susceptible to honey fungus. Special Features:Attracts birds, North American native, Inconspicuous flowers or blooms. For polyculture design as well as the above-ground architecture information on the habit and root pattern is also useful and given here if available. The plant growth habit is a standard with a non-suckering single trunk . An evergreen. The root pattern is a tap root similar to a carrot going directly down .

HabitatsOften found on rocky ridges and bluffs
Habitatsit is reduced to a prostrate gnarled mat at the highest elevations and exposures
Habitatsbut the best specimens are found at lower elevations in sheltered canyons
HabitatsWoodland Garden Canopy
HabitatsWoodland Garden Canopy
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