evergreen trees

Diospyros cathayensis

Parsimonius Persimmon

While most everyone knows about, or has had a first hand experience with a persimmon, few gardeners have ventured to grow anything outside of two species, our native, Diospyros virginiana, and the Japanese persimmon, Diospyros kaki. Would you believe that there are an astounding 787 species of persimmon. In fruit this week at JLBG is

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Lithocarpus hancei var. ternaticupula 'Lancelot'

Hance’s Oak

We have long had a fascination for evergreen oaks, and one we absolutely love is the Asian, Lithocarpus hancei var. ternaticupula. I have never seen this in another botanical collection, although a few certainly must exist. We tried two seedlings from different Taiwanese collections, and the lowland collection quickly succumbed to our cold winters. The

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Trochodendron arailoides

Driving the Wheel Tree Renaissance

One of our favorite evergreen trees is the little-known, Trochodendron aralioides. I first met the wheel tree at the JC Raulston Arboretum back in the 1980s, quickly falling in love with the fascinating foliage, which is arranged at the branch tips, like spokes on a wheel. As the curator of the Arboretum’s Lath House, I

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Olea europaea 'Arbequina'

The Color of Olive

For years, I assumed olives would not be winter hardy in our formerly Zone 7b garden, but after killing several clones in our attempts to confirm this, we finally found success in 2006 with the self-fertile, Olea ‘Arbequina’. The name Arbequina, comes from the Spanish village Arbeca, where this hardy olive cultivar originated in the

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