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Shiro Hybrid Plum

bare-root trees
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$39.00
Item: 7452-A
stock details: 3–6' bare-root trees
Prunus spp.
Midsummer, light yellow skin, light yellow flesh.

Uncertain parentage (thought to be P. simonii × P. sal.). Luther Burbank intro, California, 1899.

The sweet chin-dribbling light-yellow translucent flesh is so juicy it might soak your shirt. Or skip the mess and jam or can them. The 1½" round-conic thin-skinned fruit is light yellow, deepening as the season progresses and sometimes colored with a pinkish blush. 

Although Shiro’s parentage is unclear—it may be a pure Japanese type—it’s hardy in much of Maine, especially along the coast and Portland south. Broadly spreading picturesque tree will eventually span 30' wide or more but tops off at only 10 or 12' tall. Plant at least one other variety of Japanese or hybrid plum for fruit. Zone 5.

ships in spring
Quick Details
Flesh Color
light yellow
Harvest Season
midsummer
Skin Color
light yellow
Hardy to Zone
5
Compare
Compare with other Hybrid Plums
Variety Product Type Flesh Color Harvest Season Skin Color Hardy to Zone
Black Ice bare-root trees purplish red midsummer purple-black 3
Cocheco bare-root trees dark pinkish red midsummer red-orange 4
Ember bare-root trees yellow late summer red 3
Gracious bare-root trees yellow-orange late summer coral red 3
Kahinta bare-root trees yellow-orange mid-late summer red-purple 3
La Crescent bare-root trees yellow late summer yellow 3
Lavina bare-root trees amber mid-late summer red-blushed yellow 4
Obilinya bare-root trees orange midsummer purplish red 4
Pembina bare-root trees dark golden orange early summer bright red 3
Pipestone bare-root trees yellow late summer deep red 3
Purple Heart bare-root trees red-purple late summer red-purple 4
Tecumseh bare-root trees yellow midsummer bright red 3
Toka bare-root trees yellow late summer rosy purplish red 3
Underwood bare-root trees golden yellow midsummer dull red 3
Waneta bare-root trees orange midsummer reddish maroon 3
Shiro bare-root trees light yellow midsummer light yellow 5
Additional Information

Hybrid Plums Prunus spp.

Extremely hardy crosses between various Asian and American species; may fruit even after severe winters.

Hybrid plum fruiting can be inconsistent but it’s worth the trouble! Warmer areas will see longer bloom times. Cold late springs may force blooming all at once. Both of these conditions can be optimal for plum crops. At other times, it can be a little hit or miss. Bloom times are similar for all the varieties we offer.

Hybrid plums are less susceptible to black knot than European plums and have few issues other than Japanese beetle and plum curculio attraction.

At maturity, hybrid plums are roughly 15–20' tall.

Growing Hybrid Plums

  • Soil: Prefers well-drained fertile soil.
  • Sun: Full.
  • Pollination: Requires a second variety. We recommend planting at least 4 different varieties close together. Including an American Plum Seedling in your grove can help ensure pollination.
  • Planting: See our planning and planting and pests and diseases pages for more information about soil prep, planting, and pest control.
  • Spacing: 15–20' apart, or closer for a thicket.

Shipping

Items from our perennial plants warehouse ship from early March through mid-to-late May, weather depending, beginning with warmer USDA zones.