when to plant vegetables in southern california

Tips: When To Plant Vegetables In Southern California

Living in Southern California may give you many benefits to grow plants in your own garden. Whether to grow the vegetables indoors or outdoors, you can do it freely all year-round. But, you still have to consider the vegetables to grow and the climate. From spring to winter, you can be productive by planting and harvesting the fresh veggies from the garden. If you are still confused about when to plant vegetables in Southern California, you better check out the right time when to plant vegetables in all seasons of Southern California here.

When Can You Start Planting In Southern California?

The optimal temperature to seed is 80′ F for plants to germinate, it really gives impact about when to plant vegetables in Southern California. While in the dry climate, you can start earlier when the climate reaches 60′ F to 70′ F.

when to plant vegetables in southern california
Planting Seed

This is done due to the soil lacking moisture when the temperature gets warmer and the air becomes dryer.

When it is time to plant, it is better for you to plant it step by step. Do not plant various vegetables together because they need time to germinate first after the first seeding. Also, you still have time to monitor each plant before continuing the next veggie to plant.

Spring (March to May)

when to plant vegetables in southern california
Planting Pumpkin

When Southern California has warmer temperatures and the last frost has gone, then you know that spring is in front of your eyes. Thus, it is when to plant vegetables in Southern California!

You can prepare for the Halloween pumpkin by starting seeding in March. For planting pumpkins, it is better no later than early April, so the harvest time before the spooky season is just right for the pumpkins.

when to plant vegetables in southern california
Planting Outdoors

Also, if you are already excited to plant outdoors, you can start with tomatoes, lettuce, carrots, cauliflower, spinach, corn, and many more. They can adapt to the warmer season in Southern California. While indoors, you can try planting brussels sprouts, cucumber, or squashes

Planting Tips: Try to seed indoors first to check the temperature first, then you can go for seeding outdoors if the temperature is just based on the plants you want to grow.

Summer (June to August)

when to plant vegetables in southern california
Regularly Watering in Summer Season

For summer in Southern California, when you think that it is out of time for planting, you still can choose beans and squash to grow in July.

One important note for you is to keep the soil moist by regularly watering and check whether the drainage is in a good condition or not, to avoid the plants getting soggy. If you keep the soil moist and rotate the plants to get a sunny spot for 6 hours per day, then the plants will be grown successfully.

Planting Tips: Planting in June is considered as the late time to plant veggies. It is hard to harvest in time before winter if you just start seeding in this month. If you insist on planting, you can try zucchini or corn, but never expect to harvest them in time.

Fall (September to November)

when to plant vegetables in southern california
Planting Cucumbers

It is the perfect time for growing cool season plants, if you are still confused about when to plant vegetables in Southern California. You can start with cucumbers and celery in August. Then, the next month, you can rotate carrots, beets, beans and cauliflowers indoors.

If you have no time to start seeding in August or September, no worry, you still save the best time in October for the cool crops like we mentioned before.

Planting Tips: If you start planting in spring, you can start harvesting your veggies this fall. Because the vegetables are ready to pick and serve to your dining table for your whole family, fresh from the garden. So, you can rotate the sunny spot with the new seeding.

when to plant vegetables in southern california
Planting Celery

Winter (December to February)

In Southern California, where some areas are not expecting frost or frost, then you can continue to grow hardy veggies such as broccoli, cabbage, radishes, spinach, kale and many more.

To avoid the plants from getting dormant, you can cover the plants by using plastic or lightweight fabrics especially for the night.

when to plant vegetables in southern california
Cabbages in Winter

Garlic, beans, and peas can be planted in November as well, with an important note, there will be no freeze for the soil. Or the best alternative is, you can plant inside the long containers, so you can move the plants easily.

Planting Tips: Always check on your plants’ condition every day. You can see the soil, the fertilizer, and the mulch. Since cold crops need a shorter time to harvest.

The Best Month To Plant Vegetables

when to plant vegetables in southern california
The Best Month To Plant Vegetables

You can start seeding when the first frost has finished. It can be late January or early February. So, your plant is safe from the frozen soil and it is easy for you to go for the next step of planting vegetables. For instance, tomatoes, cauliflowers, or lettuce.

But, to ensure your plants will be safe from the cold temperature, although they are cold crops, it is better for you to start planting indoors first. So, in mid spring, you can enjoy harvesting them and serving them on your dining table.

If you just want to grow veggies outdoors, you can start in Spring, around mid March until April. When the weather is already warm, the soil does not freeze anymore, and the sunlight is ready to expose your vegetable garden.

when to plant vegetables in southern california
Start Planting Indoors

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FAQ (Frequently Asked Questions)

What planting zone is Southern California?

Planting zone in Southern California is 5a to 11a. Zone 5a has an average minimum temperature between -15’ and -20’ Fahrenheit. Zone 11 is not expecting frost days. So you can start planting vegetables outdoors year-round. 

What vegetables grow all year-round in Southern California?

You can plant carrots as a year-round vegetable that grows in Southern California. The gap time to plant this orange veggie is every one or two months. For the cool season, you can plant together with kale, spinach, and cabbage for a good salad combination you can enjoy together with your family once all of them are harvested.

When should I plant tomatoes in Southern California?

Late spring or mid May is the prime time to plant tomatoes in coastal areas of Southern California. But one thing you have to consider is that tomatoes are not produced that much in the cool season. While in the central valley area, the best time to plant the tomato seeds are in early spring or summer. Cooler weather is a favorite time for tomatoes in the central valley area.

Therefore, you already know about when to plant vegetables in Southern California, especially for tomatoes.

Can you grow tomatoes year-round in San Diego?

San Diego has a unique climate, so that you can plant tomatoes year-round there. The warm weather is almost year-round, so that tomatoes can grow properly for all the seasons. When the temperature is cooler, tomatoes will grow better in shorter days. So, you can harvest much in winter.

How often should I water tomatoes in Southern California?

You can water the tomatoes when the soil gets dry or if the weather is very hot, you can water it daily. Make sure you water the plants at the roots so that the leaves are not that wet. Because wet leaves can lead the fungus to grow there.

When should you plant zucchini in Southern California?

April, May, June or July are the best months to plant zucchini in Southern California. But, if you still have no time to plant zucchini at that time, the last best time to plant is around mid-august. So, before winter, zucchini can be harvested by you.

How often do you water zucchini in Southern California?

In early spring, you can water zucchini once a week, then when summer comes, you can do it twice or three times per week. Overwatering zucchini can cause the nutrients to wash out of the soil, so it leaves the roots waterlogged. 

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