In April, transplant hardier plants to cold frame, or open ground.
Spray everything again.
If weather is warm enough, sow seeds out of doors.
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In May, sow seeds of some annuals and vegetables out-of-doors.
Look out for weeds: kill them while young.
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In June, plant seeds and seedlings in open ground.
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In July, plant late seeds; carrots, turnips, etc.