Do you want to grow sunflower in California , but do n’t acknowledge when to plant them ?
Planting sunflower is not as easy as it seems .
Here ’s why :

So if you plant them outside too early in the give they will die . And if you plant them too recently , your sunflower wo n’t bring on a bloom .
Today , I ’m going to teach you the ideal metre to plant helianthus in California :
When to Plant Sunflower in California
As you may have already guessed , you need to pay very close attention to your local weather in the outpouring . Specifically , you are going to need to watch when the last frost occurs .
In oecumenical , when there has n’t been a frost for two week , you are SAFE to plant your sunflower outside in California !
For your reference point , I have create this table for average frost dates for most major cities in California . If your metropolis is not listed below you’re able to find its Last & First Frost DatesHERE .

California Last & First Frost Dates
regrettably , Mother Nature plays brutal john on us every twelvemonth .
It should be noted that the above date are just average .
There are years when the last Robert Frost comesMUCHlater . Sometimes , the last rime chance much earlier and you’re able to get your sunflower constitute outside in California much quicker .

Like I say before , you want to be very diligent in check your local weather .
So what happen if a Robert Lee Frost comes AFTER you plant your sunflower ?
When you screw a frost is come you need to take action .
Also , make trusted not to plant your sunflower in your garden too late .
When Should You Start Your Sunflower Seeds Indoors?
Depending on the type of sunflower , it takes roughly 10 to 14 days to rise sunflower from cum indoors and then transplant them to your garden . And then another 12 to 18 hebdomad to flower !
For aspecific datethat you should start up helianthus seeds indoors you should :
Not only this , but I recommend again devote close attention to your local weather report .
It should also be noted that the best proficiency for bringing your sunflower plant out of doors is to introduce them ( in their flowerpot ) alfresco for an time of day . And then increase the amount of time they spend outside each daylight by an minute until they have been outside for 8 hours .
This will “ harden ” your sunflower plant life , increase its chances of fight off diseases , insects , droughts , and tight conditions .
If you want to learnWHENto plantANYFlower in California , head up over toHEREand just type in the peak you want to grow .