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hothousehen

When to harden-off and transplant Rose Mallow Seedlings?

HotHouseHen
19 years ago

As the title reads, when do I harden-off and plant out my Rose Mallow seedlings that are already about 4 inches or more tall? I live in Central Missouri and our last frost average date is April 15. Thanks for the info.

Comment (1)

  • lynne_melb
    19 years ago

    Hi HotHouse,
    I used to live in a suburb of Chicago - the last frost date was May 15. I planted them in early June;having hardened off for a couple weeks before hand. They did well. I did not experiment with any other times. Regards, Lynne

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