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Horticulture and Agriculture
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By K-State Extension

Extension notes is written by K-State Extension of Harvey County extension agents Scott Eckert, Susan Jackson and Ryan Flaming. They focus on horticulture and agriculture.

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Pawpaw fruit on the selection Hi7-5 in the KSU Pawpaw Orchard. The pawpaw harvest will be about two weeks later than usual due to the cool weather this year.
Kirk Pomper/pawpaw.kysu.edu
Pawpaw fruit on the selection Hi7-5 in the KSU Pawpaw Orchard. The pawpaw harvest will be about two weeks later than usual due to the cool weather this year.
By Scott Eckert, K-State Extension
Jan. 21, 2014 12:01 a.m.

If it tastes like a banana is it really a banana? Even though pawpaw is native to eastern Kansas, many people in the state have never eaten one. Fruits resemble fat bananas and are generally up to 6 inches long and as much as 3 inches wide. The taste is unique and is difficult to describe but is often said to resemble bananas or pineapple and has a texture somewhat like custard. They are rarely grown commercially because they are difficult to ship. Ripe fruit will only hold 2 to 3 days at room temperature and up to a week under refrigeration.
Pawpaw prefers a well-drained, moderately acid pH 5.5 to 7.0, moist soil and high organic matter content. Organic mulch is also recommended. Irrigation will be helpful to necessary depending on what part of Kansas they are grown.
In the wild, the pawpaw is an understory tree and may do better with partial shade, especially during the first 2 to 3 years. Protection from high winds is also advisable due to the large leaves.
The pawpaw is a small tree that may reach 20 feet high but is less broad. Trees require cross-pollination and so at least two and preferably three different varieties should be grown. These trees are pollinated by insects other than bees and must be planted close together. Trees should be no further than 30 feet apart in order to insure good pollination.
The soil for planting should be prepared in advance of receiving the trees. Amend the soil with organic matter in the area where the trees will be planted. Do not amend just the soil from the planting hole especially if the soil is heavy and has high clay content. If you do, you have essentially made a pot for the tree that will hold water and may drown the tree. Rather add organic matter to the area in which the tree will be planted before digging the planting hole; at least a 10- by 10-foot square. You may want to treat the entire area where your trees will be planted. Add 2 inches of organic matter to the surface of the soil and then till in. In heavy soils, it may also be helpful to construct berms before planting. A berm is simply an area that is slightly higher than the surrounding soil so water drains well.
The planting hole should be the same depth as the root system but two to three times as wide. Pawpaws have fleshy roots and are better planted in the spring (April) rather than fall unless container grown. Container-grown plants can be planted virtually anytime.
Keep newly planted trees well watered. The soil should be moist but not waterlogged. Keep the planting area completely free of weeds or any other type of vegetation within 3 feet of the trees. Mulching is recommended.
There has been a significant amount of work done on pawpaw by Kentucky State University. You can reach their pawpaw site at http://www.pawpaw.kysu.edu/
Information on growing pawpaws is available from Peterson Pawpaws at http://www.petersonpawpaws.com Neil Peterson's pawpaws are the result of 25 years of research and have been widely tested.
The Kansas Forest Service www.kansasforests.org has seedling trees available for sale though I would recommend getting named varieties instead if you wish to plant only a few trees. The fruit from named varieties will be of a higher quality than that from a seedling tree.
Named variety pawpaws are available from Stark Brothers (www.starkbros.com) and Raintree Nursery (www.raintreenursery.com) including some of the Peterson varieties.
The University of Missouri has a couple of different pawpaw cultivar trials. You can find results from one of these trials at http://www.centerforagroforestry.org/pubs/pawpaws.pdf
— Scott Eckert is a Kansas State Research and Extension Agent for Harvey County. Horticulture is his specialty.

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