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When to Plant Blue Lace Flowers in Diamond Bar, CA

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant blue lace flowers in Diamond Bar can be figured out by referring to the USDA zone info.

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Planting Calendar for Blue Lace Flowers

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

Blue Lace Flowers do ok in a tiny bit of cold which tells us that you can plant them slightly earlier in the year than other plants that might not handle the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant blue lace flowers
Possibly ok, but a risky time to plant blue lace flowers
Probably not a good time to plant blue lace flowers

The earliest that you can plant blue lace flowers in Diamond Bar 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 blue lace flowers and expect a good harvest is probably September. If you wait any later than that and your blue lace flowers may not have a chance to really do well. Starting your blue lace flowers indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on January 31 in Diamond Bar. In the coldest months of winter you should expect an average low temperature of 30°F.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Diamond Bar and it is different every year. Half of the time in Diamond Bar you get surprised by a frost after January 31 so be sure to be ready to protect your blue lace flowers if you have one of those late frosts.

USDA Zone Info for Diamond Bar

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low30°F
Highest Expected Low35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Diamond Bar

You may be interested in your other planting guides for Diamond Bar.