When to Plant Gloriosa Daisy in Ottawa, IL

The USDA Zone info is a great tool for gardeners to help us figure out 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.

You can determine when it's possible to plant gloriosa daisy in Ottawa by looking at the USDA zone info.

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Planting Calendar for Gloriosa Daisy

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

Since gloriosa daisy are moderately cold tolerant you can plant them just a bit earlier in the year than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant gloriosa daisy
Possibly ok, but a risky time to plant gloriosa daisy
Probably not a good time to plant gloriosa daisy

The earliest that you can plant gloriosa 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 gloriosa daisy and expect a good harvest is probably September. Any later than that and your gloriosa daisy may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your gloriosa daisy indoors.

Last Frost Date

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

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Ottawa and it is different every year. Since half of the time in Ottawa you get surprised by a frost after April 15 be ready to protect your gloriosa 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.