Plum, Stanley Prune, Bare Root

Stanley Prune Plum (Prunus domestica ‘Stanley’)

Stanley is a European prune plum with blue-purple skin and sweet yellow-green flesh. It is useful fresh, dried, canned, or baked, and can produce fruit without another plum cultivar.

Key Characteristics

Sweet fruit with a freestone texture

Ripe fruit separates readily from the pit and has a firm texture suited to kitchen work. Let it develop sweetness before picking for drying.

A practical pantry plum

Stanley is useful for prunes, jam, baked desserts, and canning. Sort out damaged fruit promptly so the usable crop keeps its quality.

A single tree can crop

Stanley is self-fertile, though Long John can add compatible pollen and a second fruit type. Keep the crown open and monitor for black knot and brown rot rather than assuming self-fertility makes care unnecessary.

Pollination Partners

Self-fertile; another tree is not required. Long John is a compatible European-plum option for additional pollen and harvest variety. Cross-pollination depends on overlapping bloom, not matching harvest months.

Rootstock and Mature Size

The standard Halford option can grow approximately 15–20 feet with orchard pruning. Krymsk 1 provides greater size control and can be maintained at roughly 10–15 feet. Actual size depends on site, training, and pruning; remove any shoots arising below the graft.

Product Details

• Sun: Full sun to light partial shade; full sun is best for fruiting.
• Soil: medium to medium-dry, well-drained soil; avoid standing water.
• Mature height: Approximately 10–20 feet, depending on rootstock and pruning; see guidance above.
• Bloom: Early to mid-spring; white flowers.
• Fruit: Blue-purple plums with sweet yellow-green freestone flesh.
• Uses: Fresh eating, prunes, jam, canning, and baking.
• Ripening: August–September
• Chill hours: Approximately 800–1,000 hours.
• Pollination: Self-fertile; Long John is a compatible optional partner.
• USDA hardiness: Zones 5–9.

General Plum Orchard Guidance

A good start

Choose well-drained soil and enough room for the mature tree. Water consistently while roots establish, mulch with space around the trunk, and keep vigorous grass and other competitors away from the young root zone.

Fertility and fruit-tree guilds

Use a soil test to guide lime and fertilizer rather than feeding heavily by default. Our Tree Planting Kit fertilizer blend is an optional planting supplement; keep concentrated fertilizer away from bare roots and avoid excess nitrogen.

Interested in permaculture and stacking functions around your fruit trees? Explore our fruit-tree guild guide for ideas on combining plants for flowers, ground cover, and mulch while giving your tree room to grow.

Practical pest and disease care

Thin crowded fruit to improve size and protect branches, prune for airflow in dry weather, and remove fallen or mummified fruit. Monitor for brown rot, plum curculio, and black knot where it occurs. Early sanitation and fruit bags where practical can reduce problems; protect bees during bloom.