Crinums in Cooler Zones

James Waddick via pbs pbs@lists.pacificbulbsociety.net
Sun, 05 Jul 2020 13:27:30 PDT
To Judy and all,

	If you are certain of the ID I feel certain it would be quite hardy in a sunny spot in your garden.  Since it is already in a 13 in pot, you know it will be something of a job to dig a hole to accommodate this and a couple inches deeper. After a few years Crinums can pull them selves down to 15 inches or more below soil level.  I suggest you plant it somewhere you will not have to dig and move after a few years. Digging a big old crinum clump can be a job for front loader machinery or several strong backed young muscle men .

	As for timing, I suggest now with the qualificartions of weather. Try to find a day that is not too hot, but soil is most enough that you won’t be digging in cement hard concretions. This is also an opportunity to throw a hand full of some bulb fertilizer in the bottom of the hole before you start to refill and plant.

	They do not need extra winter warmth, but enjoy full sun and exposure. ….although you might  want to throw a ‘blanket’ over the entire plant for the first winter to ease it into place. I would avoid the shade of Musa basjoo.

	You will be rewarded by years of every more beautiful clumps in the middle of summer heat. 			Enjoy		Jim






On Jul 5, 2020, at 12:33 PM, Judy Glattstein via pbs <pbs@lists.pacificbulbsociety.net> wrote:

I have pink  and white Crinum xpowellii that are grown in pots, wintered over in a cool greenhouse. Also xAmarcrinum but let's ignore them at the moment.

One plastic pot is 13 inches in diameter. In this pot there is one very large bulb whose pseudostem and whirligig of leaves is over 3 feet tall. There is another not quite so large and several more smaller bulbs, all in this same pot. I suspect the soil mass is solid with roots.

I do not want to move everything up to a larger pot. Space in the greenhouse is already an issue, plus I do not want to contemplate heaving and hauling an even larger pot outdoors in spring / back inside in fall.

Nor do I want to divide - I have no need of ever increasing quantities of pots of identical crinum. Even the smaller ones are larger than the stipulated BX size for donation. I suppose I could replant only the larger bulb. Or both of the two larger ones and discard all the smaller ones. Attached is a picture of the pink crinum from August 2019. I'm sure it is crinum and not the xAmarcrinum because flowers of the latter are held somewhat above horizontal while these droop somewhat below horizontal.

I have Musa basjoo right next to the house by concrete basement wall. They do winter over but it involves cutting them back quite hard, covering the stubs with tubs filled with oak leaves, piling more leaves on top, and putting plywood roof covers over them. To benefit from any warmth seeping though the basement wall and / or the plywood covers the crinum would be heavily shaded by the bananas. Image of bananas from June 26 2020 attached. The bananas will get significantly larger by summer's end.

So if I bite the bullet and plant this large pot of crinum outside - when is this accomplished: spring, right now, in the fall? What happens to the above ground pseudostem in winter? Plant as one colony or divide and plant individually? Not really eager to plant individually . . . Anyone want any pink crinum in exchange for postage and a donation to PBS?

Judy in New Jersey where today's midday temperature is again above 90 degrees Fahrenheit, and it is humid




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Dr. James Waddick
8871 NW Brostrom Rd
Kansas City, MO 64152-2711
USA
Phone     816-746-1949





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