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 Lehi you can determine when it's the best time to plant iresene by reviewing the USDA zone info.

Planting Calendar for Iresene

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

You really shouldn't plant iresene until after the last frost because they require warm weather.

The earliest that you can plant iresene in Lehi 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 iresene and expect a good harvest is probably August. Any later than that and your iresene may not have a chance to grow to maturity. Starting your iresene indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Lehi. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Lehi is an average the actual date of last frost will vary from year to year. Since half of the time in Lehi it frosts late in the year after April 15 be ready to protect your iresene in the event of a late frost.

USDA Zone Info for Lehi

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Lehi

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