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Siberian Crab Apple tree

Owner: Mike

Location:  Glen Rock, PA, United States

Age:Planted in about 2010
Age of this tree:16 years
Soil:Loamy Sand 
Climate at this location:Zone 5c/6a
Tree form:Half-standard
Height:Between 6ft / 2m and 15ft / 4m
Cropping:Medium crops
Growth:This tree grows easily here
Herbicides:Manual treatment (hoeing and weeding)
Pesticides:Organic treatments
Local pests:2012: Leaf Rollers, aphids, ants/2014: Asian Wasps

Owner's comments

20130810: Picked the remaining four unscathed apples off the tree. Will have to ripen on the window sill. 20120411: Still in flower. Cooler weather has helped prolong the flowering. 20120403: Covered with flower buds. First white flower opened today. 20120310: Sprayed with dormant oil and bordeaux spray. 20110824: The crab apples were edible but somewhat dry even though I watered through out the summer. I put these crab apples in some cidre vinegar purchased at the store and will try in another month. In a year or two I will purchase a press and start making my own cider/cidre and vinegar! 20110821: Pruned tree and training branches to grow more parallel to the earth. Will update with a pic soon. 20110813: Picked the six crab apples because I was afraid of insect damage to the fruit as I grow organically. Very bitter but will crush and add the crab apples to apple vinegar bought at the store to enhance the flavor. 20110722: Fungicide did not stop the leaf rollers so ended up using sevin dust. The sevin stopped the progression of these pests (still don't know what insect caused the damage) and it is now growing again. The apples started ripening after the 4th of July. The six that are on it are just smaller than a tennis ball. Will post a pic of the fruit soon. 20110703: Copper spray did not stop leaf roll. Will try a fungicide if it does not rain today. 20110706: There is a pest that attacks the new leaf growth (causes stunted, curled leaves, curling lengthwise along the midrib) here in S. PA. I tried Bordeaux spray three weeks ago with no luck. Last night I applied sevein dust to the branch tips. I will inform of progress in another 2-3 weeks. 20110622: The fencing surrounding the trunk prevents animals, and I hope deers, from damaging my tree. Sprayed with a copper spray in an attempt to stop leaf roll (no insect damage noted). This is a crabapple purchased for making vinegar and cider. Ordered from Trees of Antiquity in August 2010. I planted this tree in March 2011.

Season records for this tree

  • 2014

    Spring blossom: 29 April
    Size: 2.5m / 8.3ft high   
  • 2013

    Spring blossom: 26 April
    Harvest: 4th week August  1kg / 2lbs
    Size: 3.5m / 11.7ft high   2.5m / 8.3ft wide
    Canker: Not present
    Scab: Not present
    Mildew: Not present
    Fireblight: Not present
    Cedar-apple rust: Mild attack
    Woolly aphid: Not present
    Codling moth: Not present
    Plum fruit moth: Not present
    Silverleaf: Not present
    21309: The longer the apples remain on the tree, the darker they become. Will try to take pictures and post. 2013: We have a problem with Asian Wasps here in PA. My Siberian Crab was attacked and almost all apples have damage. The wasp eats the apple and leaves gapping holes where it has been.
  • 2012

    Spring blossom: 9 April
    Harvest: 2nd week July
    08/10/2012: Flowering a second time this year. 09/01/2012: picked apples.
  • 2011

    Spring blossom: 21 April
    Harvest: 3rd week September
  • 2010

    Spring blossom: 16 September
    On 30 Sept I observed that fruit set and developing. Ordered from Trees of Antiquity.

Siberian Crab apples

Siberian Crab apples

Copyright: M. Leboulluec

Uploaded: 31 Aug 2011

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