One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Ottawa should be reviewed to estimate when it's possible to plant bunny tails grass.

Planting Calendar for Bunny Tails grass

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

Since bunny tails grass are barely cold tolerant you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant bunny tails grass in Ottawa 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 bunny tails grass and expect a good harvest is probably August. You probably don't want to wait any later than that or else your bunny tails grass may not have a chance to fully mature. If you are starting your bunny tails grass indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Ottawa the average date of last frost happens on April 15. It might get as low as -10°F during the coldest months of winter.

Keep in mind that USDA zone info for Ottawa is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Ottawa you get a frost after April 15 so always be ready to protect your bunny tails grass in the event of a surprise late frost.

USDA Zone Info for Ottawa

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Ottawa

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