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 Bothell you can estimate when it's the best time to plant lenten rose by reviewing the USDA zone info.

Planting Calendar for Lenten Rose

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

You can plant lenten rose a little earlier in the year because they are moderately cold tolerant.

The earliest that you can plant lenten rose in Bothell is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant lenten rose and expect a good harvest is probably September. Any later than that and your lenten rose may not have a chance to fully mature. You can get started a few weeks earlier by starting your lenten rose indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Bothell. You can expect an average low temperature of 15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Bothell may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Bothell there is a last frost after March 15 be ready to protect your lenten rose if you have a surprise late frost.

USDA Zone Info for Bothell

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 Bothell

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