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Pinus ayacahuite is an evergreen Tree growing to 55 m .
It is hardy to zone 7. It is in leaf all year, and the seeds ripen in October. 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.

Cultivation

Thrives in a light well-drained sandy or gravelly loam. Dislikes poorly drained moorland soils. Established plants tolerate drought. Growth of older trees tends to be very slow but many younger trees are growing fairly quickly averaging more than 30cm a year. This tree is unique in being the only tree from the tropics to succeed in central Scotland, latitude 57°north. It tolerates temperatures down to about -15°c. The cones open and shed their seed whilst still attached to the tree. Plants are strongly outbreeding, self-fertilized seed usually grows poorly. They hybridize freely with other members of this genus. Seed cones are up to 30cm long. A tree at Kew in January 1995 was about 12 metres tall and had well over 50 large cones on it. Another mature tree of the same species growing nearby had only a very few cones. Leaf secretions inhibit the germination of seeds, thereby inhibiting the growth of other plants below the tree. Plants in this genus are notably susceptible to honey fungus.

HabitatsLower pine forests in cool mountains in Mexico. Sheltered valleys and mountain slopes at elevations of 2
Habitats400 - 3
Habitats300 metres.
HabitatsWoodland Garden Canopy
HabitatsWoodland Garden Canopy
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