One of the first steps you take when you are estimating 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.

By reviewing the USDA zone info for Highland it's a good idea to estimate when it's possible to plant poppies.

Planting Calendar for Poppies

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

You can plant poppies just a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant poppies in Highland is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant poppies and expect a good harvest is probably September. If you wait any later than that and your poppies may not have a chance to grow to maturity. You can get started a little bit earlier by starting your poppies indoors.

Last Frost Date

The average date of last frost is April 15 in Highland. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Highland is just an average and the actual date of last frost will vary from year to year. Since half of the time in Highland you get surprised by a frost after April 15 be ready to cover your poppies in the event of a surprise late frost.

USDA Zone Info for Highland

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 Highland

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