One of the best tools that you have as gardeners to help us figure out 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 looked at to estimate when it's a good idea to plant english daisy.

Planting Calendar for English Daisy

Frost tolerance for english daisy:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant english daisy just a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant english daisy in Ottawa is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant english daisy and expect a good harvest is probably September. If you wait any later than that and your english daisy may not have a chance to fully mature. You can get started a few weeks earlier by starting your english daisy indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Ottawa. You should expect an average low temperature of -15°F in the coldest months of winter.

Remember that USDA zone info for Ottawa is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Ottawa you get surprised by a frost after April 15 be ready to protect your english daisy if you have a late frost.

USDA Zone Info for Ottawa

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 Ottawa

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