seed propagation

Getting a Handle on Handelia

Here’s another of those plants that virtually no one has either grown or even knows about. Handelia trichophylla is a little-known monotypic member of the aster family (Asteraceae). Not only does it have hairy, silver foliage, which usually spells certain death in our summers, but it hails from the “stans”, which include the low rainfall

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Siebold’s Magnolia…Defeated or De-Heated?

Back in 2018, I spotted a listing for Korean germplasm of Magnolia sieboldii on the seed exchange list for the International Magnolia Society. For those who don’t know magnolia species, Magnolia sieboldii is considered one of the most beautiful in the genus, but it’s widely known not to grow in hot, humid climates. I had

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In Search of Gold

In the crinum lily world, a yellow flower is considered the holy grail by plant breeders, since it only naturally exists in the Australian crinum species, Crinum luteolum. Two other species which occasionally show a yellow blush in the flower are Crinum bulbispermum and Crinum jagus. Crinum luteolum is completely ungrowable in the Southeast US.

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Body Double

This is the third year we’ve seen our seed grown, double-flowered Paeonia ostil flower, so we’ve now christened it Paeonia ‘Body Double’. We’ve grown many hundred Paeonia ostii from seed, and this is the first that’s shown any tendency toward double flowers. Most tree peonies are propagated by grafting or tissue culture, so we’ll need

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Minimally Endangered

Flowering now is the Federally Endangered hardy cactus, Escobaria minnima. Our plants are now almost five years old from seed. We are thrilled to see that these have performed so well, sailing through our 11 degree F. winter this year. This extremely rare gem (G1 rank) is only found a single rock outcrop in Brewster

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Euphorbia Hanky Panky

A couple of years ago, we were thrilled to acquire seed of Euphorbia ‘Rubicund’ from the Hardy Plant Society seed exchange. That little-known clone is a selection from a cross of Euphorbia myrsinites x E. rigida made by Rhode Island’s Issima Nursery. While the clone doesn’t come true from seed, we love our offspring and

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Spiny is as Spinosus Does

In 60 years of gardening, I’ve yet to seen a nursery that offers Acanthus spinosus, who actually has the correct plant. 100% of everything in the commercial trade is actually a hybrid of Acanthus hungaricus and A. spinosus, which looks nothing like the true species. Even authoritative on-line reference sites which should know better, all

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Gardening without a Walker

The horticultural world just lost another stalwart with the passing of plantswoman, Sally Walker, 87, of Southwestern Native Seed. After departing her native England, by way of New Zealand, and later California, Sally and her husband Tim, settled in Arizona in the 1960s. After working for several renown nurseries in both the UK and US,

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Hacking Characias

If you’ve driven through the any of the Mediterranean countries in spring, you are undoubtedly familiar with the common Mediterranean spurge, Euphorbia characias (ker-ack-iss). For years, I admired this in virtually every English garden book, but always failed in my attempts to keep it alive in our garden. Years later, it finally hit me what

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