When to Plant Salpiglossis in Griffith, IN

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Griffith you can figure out when to plant salpiglossis by using the USDA zone info.

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Planting Calendar for Salpiglossis

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

It's probably not a good idea to plant salpiglossis until after the last frost has passed because they do not do well in cold weather.

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 Griffith 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. You can get started a few weeks earlier by starting your salpiglossis indoors.

Last Frost Date

In Griffith the average date of last frost happens on April 15. You should expect an average low temperature of -15°F in the coldest months of winter.

It's important to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Griffith and it changes from year to year. Since half of the time in Griffith it frosts late in the year after April 15 be ready to cover your salpiglossis in the event of one of those late frosts.

USDA Zone Info for Griffith

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 Griffith

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