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Crinum - Zone 6 - Need planting help

Posted by juliany 6 NY (My Page) on
Mon, Apr 15, 13 at 16:43

I was given some crinum - Ellen Bosanquet. I know that I will need to pot them and store for winter here (zone 6) as I've read that digging them up each fall would impact the following bloom season. Not sure why but if this is incorrect let me know.

What is the best type of planting medium to use?
Fertilizer and when to fertilize?
Watering requirements?
How many to plant per pot?
Place mulch on the top?

I plan to store them in our unheated garage during the winter months. What is the lowest temperature they will survive?

Anything else you can recommend?

Thank you!

Follow-Up Postings:

RE: Crinum - Zone 6 - Need planting help

I can answer part of your questions. It is quite true that disturbing the bulbs will disrupt bloom for a minimum of one year, maybe more, depending on the size of the bulbs. Crinums are tough and grow in a wide range of conditions, but they definitely appreciate good drainage, regular moisture, and fertilizer. I grow mine in the ground and have the best blooms with a fall dressing of composted manure around the bulbs. I also mulch them year round.

Ellen Bosanquet is a beautiful, deep rose crinum that offsets rapidly. This is why it is so easy to find commercially. For me, its drawback is it only blooms once a year, whereas many other crinums bloom continuously for several months each year.
Elizabeth Traub has the same bloom color as Ellen but blooms from early summer till fall for me here.It does offset, but not quickly. I got my original bulbs from a seller on Ebay.

I have not grown crinums in pots for any amount of time, so cannot help you with those questions.

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