Science

This category is about the biology of daffodils and narcissus.

Narcissus x barrae and Narcissus grandae

November 16, 2019
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A new species ‘N. grandae’ has been described. I think it is allotetraploid like for example N. miniatus and N. tortifolius. It has beautiful flowers and is vigerous and therefore…

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Rebloom in a paperwhite

A question put on Daffnet from Benjamin Whitacre about repeat flowering daffodils led to an interesting private correspondence. I have tried here to organise and add to my thoughts and…

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Identifying historic varieties

April 1, 2019
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Hi- I am researching some flowers in Oklahoma (likely types of narcissus/daffodil—no picture yet as they are just emerging) that I believe have been isolated since WWII. As I know…

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records of first bloom

April 1, 2019
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Good morning There seems to be a study starting at NC State University on people keeping records about first bloom. Originally I had responded and directed her to our FaceBook…

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Tazettas Seeding in cold, wet conditions

March 17, 2019
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Weather conditions here in Moss Landing, California have been pathetic for the last 3 months or so from a hybridization standpoint—or so I thought, based on a lifetime of what…

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Summer census

February 27, 2019
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By the end of summer 7 tazetta varieties have flowered: – two 8Y-O, one 8W-Y and four 8W-O. The first, 14_05T is quite nice. It still has a few florets…

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