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.

The USDA zone info for Dublin should be reviewed to determine when it's a good idea to plant nicotiana.

Planting Calendar for Nicotiana

Frost tolerance for nicotiana:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since nicotiana do not do well in cold weather it is important to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant nicotiana in Dublin 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 nicotiana and expect a good harvest is probably September. Any later than that and your nicotiana may not have a chance to grow to maturity. You can get started a little bit earlier by starting your nicotiana indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Dublin. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Dublin is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Dublin it frosts late in the year after February 15 so always be ready to protect your nicotiana in the event of a surprise late frost.

USDA Zone Info for Dublin

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Dublin

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