The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant oriental poppies in Henderson can be figured out by checking out the USDA zone info.

Planting Calendar for Oriental poppies

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

You can plant oriental poppies a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant oriental poppies in Henderson 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 oriental poppies and expect a good harvest is probably September. Any later than that and your oriental poppies may not have a chance to fully mature. Starting your oriental poppies indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on March 15 in Henderson. It might get as low as 15°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Henderson may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Henderson it frosts late in the year after March 15 so just be sure to be ready to cover your oriental poppies in the event of one of those late frosts.

USDA Zone Info for Henderson

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Henderson

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