Do you want to spring up primrose in Washington , but do n’t be intimate when to plant them ?
Planting primula is not as comfortable as it seems .
Here ’s why :

So if you establish them outside too too soon in the spring they will die . And if you plant them too late , your primrose wo n’t bring forth a blush .
Today , I ’m going to teach you the idealistic metre to institute primrose in Washington :
When to Plant Primrose in Washington
As you may have already guessed , you need to bear very closelipped care to your local weather in the spring . Specifically , you are going to take to watch when the last freeze occurs .
In general , when there has n’t been a frost for two weeks , you are SAFE to constitute your primula outside in Washington !
For your reference , I have created this table for average Robert Lee Frost dates for most major city in Washington . If your city is not name below you’re able to find its Last & First Frost DatesHERE .

Washington Last & First Frost Dates
unluckily , Mother Nature plays barbarous tricks on us every twelvemonth .
It should be noted that the above dates are just average .
There are years when the last frost comesMUCHlater . Sometimes , the last freeze befall much to begin with and you may get your primula implant alfresco in Washington much quicker .

Like I say before , you need to be very diligent in suss out your local atmospheric condition .
So what encounter if a frost comes AFTER you implant your primula ?
When you know a frost is arrive you need to take action .
Also , make indisputable not to plant your primrose in your garden too late .
When Should You Start Your Primrose Seeds Indoors?
Depending on the type of primrose , it takes approximately 21 - 42 day ( 3 to 6 week ) to mature primrose from seed indoors and then graft them to your garden . And then another 2 twelvemonth to flower !
For aspecific datethat you should bulge out primrose seeds indoors you should :
Not only this , but I commend again pay close attention to your local weather report .
It should also be noted that the best proficiency for bringing your primrose plants outdoors is to enclose them ( in their pots ) outside for an 60 minutes . And then increase the amount of time they spend outside each daytime by an hour until they have been alfresco for 8 hour .
This will “ harden ” your primula plant , increase its chances of fighting off diseases , insects , droughts , and pie-eyed condition .
If you desire to learnWHENto plantANYFlower in Washington , lead over toHEREand just type in the flower you want to spring up .