The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Ontario should be reviewed to determine when it's possible to plant sagina.

Planting Calendar for Sagina

Frost tolerance for sagina:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant sagina slightly earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

The earliest that you can plant sagina in Ontario is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant sagina and expect a good harvest is probably August. You probably don't want to wait any later than that or else your sagina may not have a chance to really do well. Starting your sagina indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Ontario. In the coldest months of winter you can expect an average low temperature of -15°F.

Just be sure to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Ontario and it can change quite a bit from year to year. Since half of the time in Ontario it frosts late in the year after April 15 be ready to protect your sagina in the event of one of those late frosts.

USDA Zone Info for Ontario

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Ontario

You may be interested in your other planting guides for Ontario.