Eucalyptus neglecta 'Big O'. Rare Tropical Plant. Cold hardy Down to Zone 6
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 Published On Jan 18, 2024

he most cold hardy Eucalyptus neglecta 'Big O'
https://www.wilsonbrosgardens.com/big...
USDA Plant Hardiness Zones: 6b-11
Description

'Big O' is one of the most popular of the Southern Eucs series of cold hardy eucalyptus trees. Development of the Southern Eucs began in 1997 when an English botanist working in Atlanta, Georgia realized that there was little winter temperature difference between the native locations of many eucalyptus species he had collected in his explorations and colder regions of the United States. The team at Southern Eucs carries on this legacy by expanded explorations to find and test-trial all the varieties of eucalyptus trees that will thrive in colder regions of the United States.

Eucalyptus neglecta 'Big O' is quickly becoming one of the most popular eucalyptus in the United States. It was named "Big O" for its unique, large, rounded leaves. Juvenile foliage is vivid blue with red highlights, fragrant, and a stand out in any floral or dried flower arrangement. The juvenile leaves are large and round and on square stems, and usually persist for 7-15 years before any adult leaves are seen, which are elongated. In a cool, moist climate the foliage assumes a fabulous purplish hue. The bark is rough, fibrous and grey on the trunk, turning smooth grey and green above. Big O is highly rated for its cold hardiness. All grown up Big O could reach 20' in height with an equal spread.

Cold Hardiness

Because of its seed provenance, Big O can handle temperatures down to -10 F. In Atlanta, Georgia, 10 month old trees had minimal leaf damage and looked great after a brutal winter (2013/14) where temps reached 6 degrees. In Western, NC, 10 month old trees - that froze to the ground at -10 degrees - are growing vigorously from their base.



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It's Just Gardening.
Gardening is simple, just plant it and let them grow. Gardening in the DMV area, District of Columbia, Maryland, and Virginia.
I live in suburban Northern Virginia Zone 7a. I converted my front and back yard into a garden food forest, hoping to have all year-round produce.
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