What to Plant in August in Zone 4
Here is what you can sow in August if you garden in USDA zone 4. Dates use typical zone 4 frosts, so your own microclimate may shift them by a week or two.
Some links on this page are affiliate links. If you buy through them we may earn a small commission, at no extra cost to you. We only point to seeds and gear we would use ourselves. See our full affiliate disclosure.
| Crop | Window | Sow between |
|---|---|---|
| Cucumber, slicingMarketmore 76 | spring | May 17 – Aug 16 |
| Cucumber, picklingExcelsior | spring | May 17 – Aug 16 |
| Squash, summerZucchini Dunja | spring | May 17 – Aug 30 |
| PumpkinNew England Pie | spring | Jun 30 – Aug 15 |
| Sweet CornInspiration | spring | May 17 – Aug 16 |
| BasilGenovese | spring | May 31 – Aug 16 |
| CilantroCalypso | fall | Jul 12 – Aug 25 |
| ParsleyItalian Flat-Leaf | fall | Jun 25 – Aug 10 |
| Lettuce, leafSalad Bowl | fall | Jul 12 – Sep 10 |
| Lettuce, romaineChalupa | fall | Jul 12 – Sep 10 |
| Lettuce, headButtercrunch | fall | Jul 12 – Aug 25 |
| SpinachBloomsdale | fall | Jul 12 – Aug 30 |
| ArugulaAstro | fall | Jul 12 – Sep 10 |
| KaleDazzling Blue | fall | Jun 25 – Aug 10 |
| Swiss ChardBright Lights | fall | Jun 25 – Aug 10 |
| CollardsGeorgia Southern | fall | Jun 11 – Aug 10 |
| Mustard GreensFlorida Broadleaf | fall | Jun 30 – Aug 11 |
| RadishCherry Belle | fall | Jul 12 – Aug 25 |
| TurnipPurple Top | fall | Jun 30 – Aug 5 |
| GarlicMusic | fall | Aug 25 – Oct 10 |
| Onion, bunchingEvergreen | fall | Jun 30 – Aug 10 |
| Bok ChoyJoi Choi F1 | fall | Jul 7 – Aug 16 |
| Rapini (Broccoli Raab)Zamboni F1 | fall | Jul 2 – Aug 11 |
| Gai Lan (Chinese Broccoli)Crispy Blue | fall | Jun 27 – Aug 6 |
| TatsoiTatsoi | fall | Jul 2 – Aug 16 |
| MizunaMizuna Early | fall | Jul 7 – Aug 21 |
| Daikon RadishMiyashige | fall | Jul 7 – Aug 16 |
| EndiveFrisée Fine Maraîchère | fall | Jul 2 – Aug 6 |
| EscaroleBatavian Full Heart | fall | Jul 2 – Aug 6 |
| RadicchioPalla Rossa Mavrik | fall | Jun 22 – Aug 1 |
| SorrelProfusion | fall | Jul 12 – Aug 26 |
| WatercressCommon | fall | Jul 12 – Aug 26 |
| DillFernleaf | fall | Jul 24 – Sep 4 |
| MarjoramSweet Marjoram | spring | May 24 – Aug 2 |
| ChervilCurled | fall | Jul 31 – Sep 11 |
| Summer SavoryCommon | spring | May 24 – Aug 2 |
| Cucumber | spring | May 17 – Aug 16 |
| Lettuce | fall | Jul 12 – Sep 10 |
| Calendula (Pot Marigold)Resina | fall | Jul 12 – Aug 25 |
| Mache (Corn Salad)Vit | fall | Jul 27 – Sep 15 |
| Cress, gardenCurled | fall | Jul 12 – Sep 10 |