The USDA Zone info is a great tool for gardeners to help us figure out 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.

It's possible to figure out when it's the best time to plant sweet sultan by checking out the USDA zone info for Forest Grove.

Planting Calendar for Sweet Sultan

Frost tolerance for sweet sultan:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since sweet sultan are barely cold tolerant you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant sweet sultan in Forest Grove is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant sweet sultan and expect a good harvest is probably August. Any later than that and your sweet sultan may not have a chance to fully mature. You can get started a little bit earlier by starting your sweet sultan indoors.

Last Frost Date

On average the last frost has passed is on March 15 in Forest Grove. You should expect an average low temperature of 15°F in the coldest months of winter.

Keep in mind that USDA zone info for Forest Grove is not always accurate and the actual date of last frost changes from year to year. Half of the time in Forest Grove it frosts late in the year after March 15 so make sure that you are prepared to protect your sweet sultan in the event of a surprise late frost.

USDA Zone Info for Forest Grove

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 Forest Grove

You may be interested in your other planting guides for Forest Grove.