When to Plant Salpiglossis in Brookfield, 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.

One way of figuring out when it's a good idea to plant salpiglossis is to check out the USDA zone info for Brookfield.


Planting Calendar for Salpiglossis

Frost tolerance for salpiglossis: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

You really shouldn't plant salpiglossis until after the last frost when the weather gets warmer because they are not cold tolerant.

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

The earliest that you can plant salpiglossis in Brookfield 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 salpiglossis and expect a good harvest is probably August. You probably don't want to wait any later than that or else your salpiglossis may not have a chance to grow to maturity. If you are starting your salpiglossis indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Brookfield the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

Remember that USDA zone info for Brookfield may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Brookfield it frosts late in the year after April 15 be ready to cover your salpiglossis in the event of a surprise late frost.

USDA Zone Info for Brookfield

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 Brookfield

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