Zone 5b planting calendar

What to plant in June: zone 5b

Zone 5b averages its last spring frost around May 5 and its first fall frost around October 5. Everything below is timed from those two dates, so it stays useful whether you're planting for summer or for a fall harvest.

These are zone-average dates. Check an area-level frost estimate from thirty years of nearby weather history and this calendar retimes itself.
Last frost: May 5
First frost: October 5
Winter lows: -15 to -10 °F
Zone 5b Almanac. What growers here actually recorded: sowing weeks, days to first pick, and yields.

Succession sow

  • Bush beanaround Jun 2

    Sowing 2: replant every 14 days so one planting never has to feed you all season.

  • Sweet cornaround Jun 2

    Sowing 2: replant every 14 days so one planting never has to feed you all season.

  • Cucumberaround Jun 9

    Sowing 2: replant every 21 days so one planting never has to feed you all season.

  • Zucchiniaround Jun 9

    Sowing 2: replant every 21 days so one planting never has to feed you all season.

  • Basilaround Jun 9

    Sowing 2: replant every 21 days so one planting never has to feed you all season.

  • Bush beanaround Jun 16

    Sowing 3: replant every 14 days so one planting never has to feed you all season.

  • Winter squasharound Jun 16

    Sowing 2: replant every 21 days so one planting never has to feed you all season.

  • Sweet cornaround Jun 16

    Sowing 3: replant every 14 days so one planting never has to feed you all season.

  • Beetaround Jun 23

    Sowing 2: replant every 21 days so one planting never has to feed you all season.

  • Carrotaround Jun 23

    Sowing 2: replant every 21 days so one planting never has to feed you all season.

  • Bush beanaround Jun 30

    Sowing 4: replant every 14 days so one planting never has to feed you all season.

  • Cucumberaround Jun 30

    Sowing 3: replant every 21 days so one planting never has to feed you all season.

  • Zucchiniaround Jun 30

    Sowing 3: replant every 21 days so one planting never has to feed you all season.

  • Sweet cornaround Jun 30

    Sowing 4: replant every 14 days so one planting never has to feed you all season.

  • Basilaround Jun 30

    Sowing 3: replant every 21 days so one planting never has to feed you all season.

Direct sow

  • Beetaround Jun 2

    Warm soil: first summer sowing of beet.

  • Carrotaround Jun 2

    Warm soil: first summer sowing of carrot.

Garden care

  • Set up deep wateringaround Jun 2

    Switch to fewer, longer soaks (1-1.5 in/week at the root) instead of daily sprinkles.

  • Side-dress heavy feedersaround Jun 16

    Tomatoes, peppers, corn and squash get compost or fish emulsion once fruit sets.

  • Prune and stake tomatoesaround Jun 23

    Pull suckers and lower leaves for airflow. The main defense against blight in humid heat.

  • Shade the cool-season bedaround Jun 30

    30-40% shade cloth keeps lettuce, cilantro and spinach from bolting in peak heat.

Plan & order

  • Order fall seedaround Jun 7

    Fall brassicas and greens get sown in the heat of summer. Have the seed on hand before that window opens.

Start indoors for fall

  • Broccoliaround Jun 10

    Fall broccoli window opens. Sow trays any time in the next four weeks.

  • Kalearound Jun 27

    Fall kale window opens. Sow trays any time in the next four weeks.

Direct sow for fall

  • Parsleyaround Jun 29

    Fall parsley window opens. Sowing now beats the last-minute date by a month of growth.

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