Sweet Sixteen (apple)

Sweet Sixteen is a cultivar of domesticated apple.

Malus pumila 'Sweet Sixteen'
SpeciesMalus pumila
Hybrid parentageNorthern Spy × Malinda[1]
Cultivar'Sweet Sixteen'
OriginUnited States Minneapolis-St. Paul Minnesota, 1977,[2] though [3] claims 1978

Origin

The Sweet Sixteen apple was developed at the University of Minnesota in 1977.[2]

Growing

Characteristics

The Sweet Sixteen is crisp and juicy, has an exotic yellow flesh,[2] mixed with red.[4] It is very sweet, with an unusual flavor of sugar cane, or spicy cherry candy. The fruit can store for 5 to 8 weeks. The Sweet Sixteen is quite vigorous. The fruit may have premature drops. Sweet Sixteen usually ripens, mid- to late September.[2]

The Sweet Sixteen is resistant to fire blight and scab. Sweet Sixteen has fragrant, and long-lasting white flowers[5]

Fruit

The fruit is medium size, the apple red striped. Sweet Sixteen has medium storage.[5]

Tolerance of cold climates

The Sweet Sixteen is one of the best apples to endure cold climates.[6]

USDA Hardiness Zone

Sweet Sixteen has USDA Hardiness Zone of Zones 4 to 7,[7] so can withstand cold winters.[8]

General disease resistance

The Sweet Sixteen has good disease resistance.[9]

Soil

The Sweet Sixteen thrives in sandy loam to clay loam soil.[5]

Tolerances

Sweet Sixteen is moderately drought tolerant.[5]

Light Range

Sweet Sixteen prefers full sun.[5]

Preferred soil pH

Sweet Sixteen prefers a pH of 6.0—7.0.[5]

Pollination

The Sweet Sixteen is not self-fertile, and may be pollinated by a variety of other apple cultivars.[7]

Ripeness

The Sweet Sixteen ripens mid- to late September.[2]

References
  1. "Sweet Sixteen Apple Tree". MINNESOTA NURSERY RESEARCH CORPORATION. December 23, 2015. Retrieved 8 November 2018.
  2. "All U of M Apple Varieties". University of Minnesota. 2018. Retrieved 6 November 2018.
  3. DeGroot, Barb. "Backgrounder/Fact Sheet". University of Minnesota. Retrieved 7 November 2018.
  4. "Malus 'Sweet Sixteen'". 2018-11-08.
  5. "Sweet Sixteen Apple Malus 'Sweet Sixteen'" (PDF). co.becker.mn.us. Retrieved 6 November 2018.
  6. "High-Altitude Orchard, Part I". 2014-02-27. Retrieved 6 November 2018.
  7. "Apple Cross Pollination List". South Dakota Department of Agriculture. 2012. Retrieved 8 November 2018.
  8. "Apple Tree Varieties". North Dakota State University. Retrieved 8 November 2018.
  9. "Midwest Apple Improvement Association". Midwest Apple Improvement Association. 2014. Retrieved 8 November 2018.


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