Toronto in July: what to plant
Over the last 5 years, July in Toronto has run 18.0–26.7°C with about 84 mm of rain across the month. Here is what weather like that will carry to harvest.
Everything above is a five-year average. In the game it is this — the weather Toronto is actually having, today.
Grow one in Toronto's weather right now →❄️ No sub-zero nights in July in the last 5 years — frost is not the limiting factor here.
🗓️ This month sits inside the frost-free window. Average last spring frost around Apr 26, first autumn frost around Nov 7 — roughly 195 frost-free days. Sow tender crops after the last frost date and make sure they finish before the first.
☀️ About 12.8 h of sunshine a day this month. Temperatures hold steady through the month.
Sow this month — when would you harvest?
Assuming you sow in mid-July, then adding up the warmth Toronto usually gets, one day at a time — which is why some of these run past the end of the month.
| Crop | Days | Harvest around |
|---|---|---|
| 🌶️ Okra | 376 | Jul 25 |
| 🥒 Bitter melon | 366 | Jul 15 |
| 🌿 Amaranth greens | 47 | Aug 30 |
| 🌻 Sunflower | 83 | Oct 5 |
| 🥔 Potato | 65 | Sep 17 |
| 🏵️ Marigold | 40 | Aug 23 |
| 🥬 Bok Choy | 27 | Aug 10 |
| 🌿 Garlic chives | 52 | Sep 4 |
| 🧅 Onion | 66 | Sep 18 |
| 🥕 Carrot | 55 | Sep 7 |
⏳ Too late this month: Yardlong bean, Cucumber would still be in the ground when the first frost arrives (around Nov 7). Sow them earlier in the year, or grow them under cover.
🌡️ Winter melon never accumulate enough heat outdoors in Toronto — not in any month. Locally these need a greenhouse or a warm windowsill.
Best crops to sow now
They are all ideal for this month — the only real difference is how long each one takes, so pick whatever you want to eat.
- 🌶️ Okra about 102 days to harvest Recent mean 22.4°C — right in the sweet spot
- 🥒 Bitter melon about 108 days to harvest Recent mean 22.4°C — right in the sweet spot
- 🥢 Yardlong bean about 95 days to harvest Recent mean 22.4°C — right in the sweet spot
- 🥒 Cucumber about 82 days to harvest Recent mean 22.4°C — right in the sweet spot
- 🌿 Amaranth greens about 45 days to harvest Recent mean 22.4°C — right in the sweet spot
- 🌻 Sunflower about 70 days to harvest Recent mean 22.4°C — right in the sweet spot
- 🥔 Potato about 59 days to harvest Recent mean 22.4°C — right in the sweet spot
- 🏵️ Marigold about 40 days to harvest Recent mean 22.4°C — right in the sweet spot
- 🥬 Bok Choy about 26 days to harvest Recent mean 22.4°C — right in the sweet spot
- 🌿 Garlic chives about 49 days to harvest Recent mean 22.4°C — right in the sweet spot
- 🧅 Onion about 61 days to harvest Recent mean 22.4°C — right in the sweet spot
- 🥕 Carrot about 52 days to harvest Recent mean 22.4°C — right in the sweet spot
Leave these for another month
- 🌿 Rocket — Recent mean 22.4°C is too hot (ideal 6–22°C)
- 🫛 Peas — Recent mean 22.4°C is too hot (ideal 7–21°C)
- 🌿 Spinach — Recent mean 22.4°C is too hot (ideal 5–22°C)
Other months in Toronto
📍 Somewhere else? Look up your own city →
Temperature and rainfall come from Open-Meteo's historical observations for Toronto, averaged day by day over the last 5 years. Whether a crop finishes in time is worked out from its own starting temperature and heat requirement — those numbers are listed on each crop page if you want to check them.