One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Lake Oswego you can figure out when it's the best time to plant lovage by checking out the USDA zone info.

Planting Calendar for Lovage

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

Lovage are barely cold tolerant which tells us that you can get them planted just a bit earlier than more sensitive plants.

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

Last Frost Date

The average date of last frost is March 15 in Lake Oswego. In the coldest months of winter you should expect an average low temperature of 15°F.

Since the USDA zone info for Lake Oswego is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Lake Oswego last frost occurs after March 15 be ready to protect your lovage in the event of a late frost.

USDA Zone Info for Lake Oswego

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 Lake Oswego

You may be interested in your other planting guides for Lake Oswego.