One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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 using the USDA zone info for Rocklin it's possible to estimate when it's the best time to plant iceland poppy.

Planting Calendar for Iceland Poppy

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

You can plant iceland poppy a little bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant iceland poppy in Rocklin is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant iceland poppy and expect a good harvest is probably October. If you wait any later than that and your iceland poppy may not have a chance to really do well. You can get started a couple of weeks earlier by starting your iceland poppy indoors.

Last Frost Date

The average date of last frost is February 15 in Rocklin. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Rocklin is an average the actual date of last frost will vary from year to year. Since half of the time in Rocklin you get surprised by a frost after February 15 be ready to cover your iceland poppy in the event of a late frost.

USDA Zone Info for Rocklin

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Rocklin

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