Category: Fertility

The fertility of species and named daffodils.

Fertility of Hillstar x Emerald Sea and equivalent crosses

Lawrence, You and John Hunter have much more experience with these crosses than I. Last year on September 20 I saw in John Hunter’s field many nearly ripe seeds on plants of Hillstar x ( Seadream x N. viridiflorus ).…

N. cantabricus from Spain x Emerald Sea

This is one of six seedlings which flowered till now from this cross in the greenhouse. It is seen in the pictures that the green colour diminishes a little when the flower is open for a longer time. The blossom…

Lima’s Green Road

This is a cross of  ‘El Camino’ by N. viridiflorus that Manuel Lima made and one of his crosses that has been spread around. I named it this year. There was discussion about it some time ago and whether or…

Looking at Pollen

Harold, The two bigger pollen grains of your photo could be viable and perhaps unreduced or unreduced and doubled. The method of causing the pollen to sprout, and examining it under a microscope has been described by Lawrence Trevanion in “A Look at…

Verdant Sparks Pollen

Here is a picture of ‘Verdant Sparks’ pollen.  Perhaps Theo can give us an opinion if it might be fertile from just looking at it. I would expect it to be triploid. Theo do you have a recipe for germinating…