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USDA hardiness zone 7a, 0°F to 5°F

Zone 7a Planting Calendar: What to Plant Each Month

The coldest night of the winter averages 0°F to 5°F in zone 7a. Where it is, when its frosts come, and what to do in the garden each month, from extension service guidance.

4,877 ZIP codes

Where zone 7a is

Zone 7a covers 4,877 ZIP codes in 34 states: Kentucky (728), Pennsylvania (613), West Virginia (416), Virginia (386), New Jersey (339), Missouri (310), Oklahoma (180), Illinois (164) and 26 more.

Across its 616 NOAA stations the last spring frost comes around Apr 18 and the first fall frost around Oct 24; half the stations fall between Apr 10 and Apr 25 in spring and Oct 18 and Oct 28 in fall.

Cities and towns in zone 7a

Tap a town for its own frost dates and this month’s jobs; a hill or a valley a few miles off can be half a zone either side.

Twelve months

Zone 7a planting calendar

What to start, sow, plant, divide, prune, mulch and protect in zone 7a, month by month. Every job names the extension service page it rests on; open “Where this comes from” under a job to read their words.

Timed from the median frost dates of the 616 NOAA stations in zone 7a: last spring frost Apr 18, first fall frost Oct 24. Your own ZIP’s frost dates move every window, so the ZIP tool times them for you.

Pick a month above to see every job in it.

The year at a glance

  1. Start vegetable seeds indoorsJan to Apr
  2. Sow vegetables in the gardenMar to Apr
  3. Sow the fall vegetable gardenJul to Aug
  4. Set out transplantsMar to May
  5. Plant trees and shrubsMar 7 to May 2 and Oct 10 to Nov 28
  6. Plant garlicOct 10 to Nov 14
  7. Plant tulips and other spring bulbsOct 31 to Nov 7
  8. Divide fall-blooming perennialsMar 28 to May 9
  9. Divide spring and summer-blooming perennialsSep 12 to Oct 24
  10. Prune trees and summer-flowering shrubs while dormantFeb 7 to Mar 21
  11. Prune spring-flowering shrubs after they bloomApr 4 to May 30
  12. Put hardware cloth around young tree trunksOct 24 to Dec 5
  13. Cut back perennials after a hard freezeOct 31 to Nov 28
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55 plants

What grows in zone 7a

Perennials, shrubs, trees and fruit that NC State Extension rates as hardy in zone 7a, each linked to its plant page. A plant rated for a range of zones suits every half zone in it, so “zones 4 to 8” covers 4a through 8b.

Perennials 15

Shrubs 13

Trees 8

Fruit 11

Bulbs 6

Perennial vegetables 2

Ratings from the NC State Extension Gardener Plant Toolbox, read Oct 9, 2026. The zone covers winter cold only; heat, rain and soil decide the rest.

A summer perennial border of yellow black-eyed Susans, purple liatris spikes and silvery Russian sage, with a rose of Sharon shrub behind and small plant labels in the bed
A labeled perennial border in high summer. The zone on a plant tag is the coldest winter it is rated to come through, so a plant rated for zones 4 to 9 suits every half zone from 4a to 9b. “Perennials border in Summer”, Bindersbee, Public domain
Either side

The zones next to 7a

Each half zone is five degrees. Zone 6b is five degrees colder at -5°F to 0°F. Zone 7b is five degrees warmer at 5°F to 10°F.

Questions

Zone 7a questions

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Sources. USDA Plant Hardiness Zone Map, ZIP code tables (2023 and 2012), PRISM Climate Group, Oregon State University; USDA Plant Hardiness Zone Map; USDA Unveils Updated Plant Hardiness Zone Map (USDA Agricultural Research Service, November 15, 2023); NOAA NCEI U.S. Climate Normals 1991-2020, annual/seasonal, by station (v1.0.1); NC State Extension Gardener Plant Toolbox. Zone frost dates are the medians of the NOAA 1991 to 2020 station normals inside the zone.

The calendar’s extension sources: