Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Silverton you can figure out when it's a good idea to plant gherkins by referring to the USDA zone info.

Planting Calendar for Gherkins

Frost tolerance for gherkins:	Not tolerant of frost.
When to plant:	After the last frost.

Since gherkins are not cold tolerant you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant gherkins in Silverton 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 gherkins and expect a good harvest is probably August. If you wait any later than that and your gherkins may not have a chance to really do well. Starting your gherkins indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Silverton the average date of last frost happens on March 15. It might get as low as 10°F during the coldest months of winter.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Silverton and it changes from year to year. Since half of the time in Silverton last frost occurs after March 15 be ready to cover your gherkins if you have a late frost.

USDA Zone Info for Silverton

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Silverton

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