Late Blooming & Frost Resistant Peach Trees


Late spring frosts often eliminate potential peach crops in Kansas. Since hardiness of fruit buds drops dramatically as flower buds open, even a delay in bloom time of a few days can dramatically affect the size of fruit crop. A study done in southwestern Idaho investigated the average bloom times of a number of peach cultivars from 2003 – 2007.

Cultivar Date of full bloom
‘Snow Giant’ April 5
‘Jupiter’ April 7
‘Yukon King’ April 7
‘Burpeach Six’ April 7
‘Fairtime’ April 7
‘Coral Star’ April 7
‘July Sun’ April 7
‘Zee Lady’ April 7
‘May Sun’ April 8
‘Crimson Lady’ April 8
‘Summer Flame’ April 8
‘Elegant Lady’ April 8
‘Sugar Giant’ April 8
‘July Flame’ April 8
‘Sweet Dream’ April 8
‘August Flame’ April 8
‘September Snow’ April 8
‘Snow King’ April 8
‘Star Fire’ April 8
‘Saturn’ April 8
‘August Lady’ April 9
‘Ryan Sun’ April 9
‘Brenda Sun’ April 9
‘All Star’ April 9
‘Autumn Red’ April 9
‘O’Henry’ April 9
‘Opal Moncav’ April 9
‘Rich Lady’ April 9
‘Vista’ April 9
‘Glow Star’ April 9
‘Summer Lady’ April 10
‘Red Star’ April 11
‘Fancy Lady’ April 12
‘Sierra Gem’ April 12

Intrepid, though not included in the above study, is a cultivar not only known for its late bloom time but also its frost-resistant blooms. A study done in North Carolina noted that exposure to 6 consecutive subfreezing nights at 50% bloom did not eliminate the fruit crop. All flower buds on all check cultivars were killed.

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