The chestnut cultivar Colossal originates from the USA - California Central Valley. It is a Castanea sativa × Castanea crenata hybrid that is cold hardy to −20 °F (−29 °C). The tree can be grown in Zones 4-8, blooms early, and is pollen sterile. Colossal is …

The Colossal Chestnut tree produces very large nuts (11-15 per pound) and is known for its high yields. Nuts taste sweet and mellow with a smooth texture.

Exceptionally large, sweet, good quality nuts. Ripens early, easy to peel. Quick to produce for a nut tree.

For almost all commercial chestnut growers the Colossal chestnut tree is the industrial producer of the largest nuts, the most nuts, and starting at a young age (sometimes as soon as the 2nd year after transplanting a grafted tree).

Colossal Chestnut Tree (ExJ) For almost all commercial chestnut growers on the Pacific Coast the Colossal chestnut tree produces the largest nuts, the most nuts, and starting at a young age (sometimes as soon as the 2nd year after transplanting a grafted tree).

Colossal Chestnuts produce large meaty nuts with a rich sweet flavor and smooth texture. The nuts are exceptionally large: 11 to 16 nuts per pound! Colossal begins producing at a young age. Mature height can reach 40 to 60 feet and it makes an attractive shade tree.

2025年1月15日 · Order top-quality hybrid chestnut trees from Willis Orchards! The Colossal Chestnut Tree features a large nut with 11 to 15 nuts per pound, that has an easy peel pellicle and a very good nut flavor. The Colossal Chestnut tree itself is large, and will spread out, similar to it's parent tree in Nevada City, California, which is 70 feet tall.

TREE SIZE: A 2-year-old tree, approximately 4 to 5 feet tall. POLLINATION: Requires two trees or another Chestnut variety. USDA HARDINESS ZONES: 4-8, approximately 400-500 chilling hours. RIPENING DATE: Late season. SPACING: Plant trees 10-20 feet apart depending on your pruning method.

The Colossal Chestnut is grafted, requiring pollination by a different chestnut variety, and will fully ripen in mid-September. The male flowers of this Chestnut Tree are long and slender and are about the size of a small plum.

Colossal Chestnut is a broadleaf deciduous tree with green foliage. In spring cream flowers emerge followed by brown fruit. Grows well with sun and regular water. Does well in average, rich and well-drained soil.