, Gloucester, MA


October 25, 2013

Dig up and save bulbs after frost kills foliage

Q: Should I save the tuberous begonia I planted last spring?

A: While you are planting bulbs in the ground this month, don’t forget the tender bulbs that need to be taken out of the garden and brought inside for the winter. Tender bulbs, such as caladiums, tuberose begonias, glades, tuberoses and dahlias need to be lifted after the foliage is killed by the early frost if they are going to be saved for next year. Do not let the bulbs freeze! Air dry the bulbs thoroughly, remove the dead foliage and pack the bulbs away in a frost-free, airy cellar, garage or closet. Bulbs can also be kept in mesh bags or in dry peat moss or vermiculite. Check them over during the winter to be sure there is no rot. Check also for rodent damage if there are mice in the house.

Why bother to save tender bulbs from year to year? Why not just replace them?

Besides the cost saved by not replacing them, many bulbs grow larger and better with each season and will produce superior plants for you in the coming season. It’s worth the time, and it’s not much work to store them. But, please, do it before the foliage is completely gone and you can’t even locate or identify a treasured bulb.

Q: This year, I promised myself that I would take the time to plant some spring bulbs, but I need some help — that is, information — because I’ve never done it, except for an old pot of tulip bulbs that I received for Easter, which I planted last year and only leaves came up. Can you help?

A: Start with the bulbs. Size counts when buying bulbs, particularly when you’re you buying bulbs by mail order. It pays to know the size of the bulbs you’re buying. Buy the biggest bulbs you can — bigger IS better. When you handle a bulb, compare it to buying an onion at the grocery store. Check for firmness and weight. There should be no soft spots or mildew. Even if the bulbs are packaged in bulk, in plastic or mesh bags, inspect them carefully. A small green sprout won’t hurt, but avoid buying packages that contain bulbs that look like they’re already growing and trying to escape.

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