Answer: Marglobe is, indeed, an heirloom tomato. Seeds are available from Totally Tomatoes, PO Box 1626, Augusta, GA 30903. Tomato seeds will germinate in your unheated garage with a greenhouse propagating mat or cables to warm the soil, but they won't grow well under those conditions. Once they've sprouted you'll need to bring them indoors, into average household temperatures. Tomatoes are tropical plants and will just sit and pout if left in the cold. How about starting the seeds indoors in a warm area and then providing bright light once they've sprouted. Doing so will result in stout and hardy seedlings, ready to plant outdoors when the soil warms.
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