When to Plant Argyranthemum in Saratoga, CA

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Saratoga you can figure out when it's the best time to plant argyranthemum by referring to the USDA zone info.


Planting Calendar for Argyranthemum

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

Since argyranthemum require warm weather you really should wait until after the last frost before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant argyranthemum
Possibly ok, but a risky time to plant argyranthemum
Probably not a good time to plant argyranthemum

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

Last Frost Date

The average date of last frost is February 15 in Saratoga. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Saratoga is not always accurate the actual date of last frost is different every year. Half of the time in Saratoga last frost occurs after February 15 so always be ready to cover your argyranthemum in the event of a surprise late frost.

USDA Zone Info for Saratoga

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 Low25°F
Highest Expected Low30°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 Saratoga

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