When to Plant Sanvitalia in Morrison, IL

One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to determine when you can plant sanvitalia by looking at the USDA zone info for Morrison.


Planting Calendar for Sanvitalia

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

Since sanvitalia are one of those plants that can tolerate a tiny bit of cold weather you can plant them slightly earlier in the year than other plants that might not handle the cold.

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

The earliest that you can plant sanvitalia in Morrison 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 sanvitalia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your sanvitalia may not have a chance to really do well. You can get started a few weeks earlier by starting your sanvitalia indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Morrison. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Morrison is not always accurate and the actual date of last frost changes from year to year. Half of the time in Morrison there is a last frost after April 15 so make sure that you are prepared to cover your sanvitalia if you have a surprise late frost.

USDA Zone Info for Morrison

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 Morrison

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