Do you desire to raise helianthus in Washington , but do n’t eff when to plant them ?
Planting helianthus is not as loose as it seems .
Here ’s why :

So if you institute them out of doors too early in the spring they will go bad . And if you embed them too late , your sunflower wo n’t produce a bloom .
Today , I ’m going to teach you the idealistic clip to engraft sunflower in Washington :
When to Plant Sunflower in Washington
As you may have already guessed , you ask to give very close attention to your local weather in the fountain . Specifically , you are going to need to watch when the last frost occurs .
In general , when there has n’t been a frost for two weeks , you are SAFE to plant your sunflower outside in Washington !
For your reference , I have created this table for average frost particular date for most major city in Washington . If your metropolis is not listed below you may regain its Last & First Frost DatesHERE .

Washington Last & First Frost Dates
unluckily , Mother Nature diddle barbarous prank on us every year .
It should be noted that the above dates are just norm .
There are years when the last Robert Frost comesMUCHlater . Sometimes , the last frost happens much earlier and you may get your helianthus plant outside in Washington much quicker .

Like I allege before , you need to be very diligent in checking your local weather .
So what happens if a hoar occur AFTER you plant your helianthus ?
When you know a hoarfrost is total you demand to take activity .
Also , ensure not to found your sunflower in your garden too recently .
When Should You Start Your Sunflower Seeds Indoors?
calculate on the type of helianthus , it takes around 10 to 14 days to raise sunflower from cum indoors and then transplant them to your garden . And then another 12 to 18 weeks to bloom !
For aspecific datethat you should start sunflower seeds indoors you should :
Not only this , but I commend again bear near attention to your local conditions report .
It should also be note that the good proficiency for work your helianthus plants outside is to introduce them ( in their pots ) outside for an hr . And then increase the amount of time they drop outside each daytime by an time of day until they have been outside for 8 hours .
This will “ inure ” your sunflower plant , increase its chance of fight off diseases , worm , droughts , and fuddled conditions .
If you want to learnWHENto plantANYFlower in Washington , point over toHEREand just case in the peak you want to raise .