Science

This category is about the biology of daffodils and narcissus.

Theory according to Dave

July 12, 2020
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Theory according to Dave

Last year I posted a theory about succession flowering in species narcissus. I theorized that some species had a succession of flowers to ensure that if the first did not…

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PHS Daffodils’s 2020 Sale

At long, long last, the 2020 PHS Daffodils web shop is open!  We thank each of you for your emails, eagerness, and patience—and as importantly, for your overwhelming interest in…

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Help with oddball poet

March 13, 2020
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All, The attached poet is from a old garden with scads of Ornatus, however some of the bulbs look like this What the heck is going on ?? I have…

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Possibility of intergeneric hybrids.

January 16, 2020
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Reading about ×Howardara (a complex trigeneric hybrid involving species from Hippeastrum, Sprekelia, and Zephyranthes), as well as other intergeneric hybrids from the Amaryllidaceae, such as ×Amarcrinum, I was wondering about the…

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Some breeding/fertility questions

January 11, 2020
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I have a lot of tazettas blooming now and was looking through the pollen I collected last year to see what I might use for breeding. ‘Aspasia’ is my latest-blooming…

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Basal rot treatment

A few prized tetraploid tazettas became infected with basal rot. I invented a treatment that successfully cured them. I am not scientist but a gardener and breeder of Narcissus who…

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