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.

You can determine when it's the best time to plant gerbera in Sammamish by reviewing the USDA zone info.

Planting Calendar for Gerbera

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

Gerbera are barely cold tolerant which means that you can plant them slightly earlier than more sensitive plants.

The earliest that you can plant gerbera in Sammamish 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 gerbera and expect a good harvest is probably August. If you wait any later than that and your gerbera may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your gerbera indoors.

Last Frost Date

The average date of last frost is March 15 in Sammamish. You can expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Sammamish may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Sammamish it frosts late in the year after March 15 so make sure that you are prepared to protect your gerbera in the event of a surprise late frost.

USDA Zone Info for Sammamish

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 Sammamish

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