The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. 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 read to determine when it's a good idea to plant bloodleaf.

Planting Calendar for Bloodleaf

Frost tolerance for bloodleaf:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Bloodleaf are not cold tolerant which tells us that you have to wait until it warms up after the last frost before you can plant them.

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

The last month that you can plant bloodleaf and expect a good harvest is probably August. You probably don't want to wait any later than that or else your bloodleaf may not have a chance to really do well. If you are starting your bloodleaf indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Ottawa. It might get as low as -15°F during the coldest months of winter.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Ottawa and it will vary from year to year. Since half of the time in Ottawa you get surprised by a frost after April 15 be ready to cover your bloodleaf if you have one of those late frosts.

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.