seed propagation

Davidia involucrata 'Sonoma'

Excuse me while our Handkerchief Tree Flowers

Looking dazzling at JLBG for the last couple of weeks is the amazing Davidia involucrata ‘Sonoma’. As you can see, the common name is quite apt since when in flower, it resembles a tree laden with handkerchiefs. This coveted Chinese native is related to our native black gum, in the family, Nyssaceae. This mystical tree

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Dianthus anatolicus 'Lunatic Fringe'

Lunatic Fringe

Several years ago, we grew seed of Dianthus anatolicus, native from Tibet to Turkey, and while all were interesting and deliciously fragrant, one, which we named Dianthus ‘Lunatic Fringe’ stood out from the rest for its exceptional floral show, and heat/humidity tolerance. Our original plant, pictured below, is now almost five years old and still

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Trillium delicatum 'Speedy'

Trillium – Round 2

From an ex-situ conservation standpoint, we are a bit fanatical about trilliums. We grow many thousand trilliums from seed each year, and also travel around the country studying trilliums in the wild, which has given us an incredible opportunity to make some amazing selections. At JLBG, we currently grow over 1,600 different trillium selections, which

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Asphodeline lutea 'Nazareth Orange'

Asphodels…a Color Change

I have long been a fan of the fascinating dryland geophyte, Asphodeline lutea. Native from the Mediterranean through the Caucuses, and south into Africa, Asphodeline lutea is prized for its early spring spikes of bright yellow, star-like flowers. About a decade ago, I heard rumors of an orange-flowered form, which immediately went on my desiderata

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Cyclamen hederifolium

Psyched for Cyclamen

Even after growing the hardy Cyclamen hederifolium for over five decades, I’m still amazed by the incredible diversity of leaf patterns. Since cyclamen are obligate out-crossers (they can’t have productive sex with themselves), the pattern diversity from each new crop of seedlings continues to expand. In the garden, we plant similar patterned forms nearby, resulting

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