When to Plant Caladium in Monticello, MN

One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for Monticello you should be able to determine when it's possible to plant caladium.

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Planting Calendar for Caladium

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

Caladium require warm weather which means that you must wait until it warms up after the last frost has passed before you can plant them.

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

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

The last month that you can plant caladium and expect a good harvest is probably August. Any later than that and your caladium may not have a chance to fully mature. Starting your caladium indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in Monticello. You can expect an average low temperature of -25°F in the coldest months of winter.

Always keep in mind that USDA zone info for Monticello is not always accurate and the actual date of last frost is different every year. Half of the time in Monticello there is a last frost after May 15 so always be ready to cover your caladium in the event of a late frost.

USDA Zone Info for Monticello

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-25°F
Highest Expected Low-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Monticello

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