Zone 1b planting calendar
What to plant in July: zone 1b
Zone 1b averages its last spring frost around June 15 and its first fall frost around August 15. Everything below is timed from those two dates, so it stays useful whether you're planting for summer or for a fall harvest.
Last frost: June 15
First frost: August 15
Winter lows: -55 to -50 °F
Garden care
- Mulch every bedaround Jul 6
3-4 in of straw or leaves now holds water, blocks weeds, and cools roots for the whole summer.
- Set up deep wateringaround Jul 13
Switch to fewer, longer soaks (1-1.5 in/week at the root) instead of daily sprinkles.
- Side-dress heavy feedersaround Jul 27
Tomatoes, peppers, corn and squash get compost or fish emulsion once fruit sets.
Sow cover crop
- Cover crop (cereal rye + crimson clover)around Jul 16
Sown a month before frost it germinates, holds your soil all winter, and feeds it in spring.
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