When to Plant Alstromeria in Inver Grove Heights, MN

Before planting it is a good idea to find your USDA Zone info to determine your garden 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 Inver Grove Heights should be reviewed to determine when to plant alstromeria.

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Planting Calendar for Alstromeria

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

You can plant alstromeria just a bit earlier in the year because they do well in moderate cold.

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

The earliest that you can plant alstromeria in Inver Grove Heights 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 alstromeria and expect a good harvest is probably August. If you wait any later than that and your alstromeria may not have a chance to grow to maturity. Starting your alstromeria indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on May 15 in Inver Grove Heights. You can expect an average low temperature of -25°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Inver Grove Heights is just an average and the actual date of last frost changes from year to year. Half of the time in Inver Grove Heights last frost occurs after May 15 so be sure to be ready to cover your alstromeria in the event of one of those late frosts.

USDA Zone Info for Inver Grove Heights

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 Inver Grove Heights

You may be interested in your other planting guides for Inver Grove Heights.