Do you want to grow calla lily in Washington , but do n’t recognize when to plant them ?
Planting calla lily is not as well-situated as it seems .
Here ’s why :

So if you institute them outdoors too early in the springtime they will decease . And if you plant them too tardily , your calla lily lily wo n’t produce a rosiness .
Today , I ’m going to teach you the ideal meter to institute calla lily in Washington :
When to Plant Calla Lily in Washington
As you may have already guessed , you need to pay very close care to your local weather in the leaping . Specifically , you are going to want to watch when the last frost occurs .
In ecumenical , when there has n’t been a hoarfrost for two workweek , you are SAFE to plant your calla lily outside in Washington !
For your reference , I have created this table for average frost dates for most major urban center in Washington . If your urban center is not list below you could find its Last & First Frost DatesHERE .

Washington Last & First Frost Dates
Unfortunately , Mother Nature dally savage trick on us every twelvemonth .
It should be take note that the above dates are just norm .
There are years when the last frost comesMUCHlater . Sometimes , the last hoarfrost happens much sooner and you may get your Zantedeschia aethiopica lily planted outside in Washington much faster .

Like I say before , you need to be very diligent in checking your local atmospheric condition .
So what happens if a frost comes AFTER you set your Zantedeschia aethiopica lily ?
When you know a frost is come you need to take legal action .
Also , make certain not to plant your calla lily in your garden too late .
When Should You Start Your Calla Lily Seeds Indoors?
depend on the type of calla lily , it takes rough 7 to 14 days to grow genus Calla lily from seed indoors and then transfer them to your garden . And then another 13 to 16 hebdomad to bloom !
For aspecific datethat you should start calla lily seeds indoors you should :
Not only this , but I urge again paying close attention to your local weather condition write up .
It should also be note that the effective technique for bringing your calla lily flora outside is to introduce them ( in their pots ) outside for an hour . And then increase the amount of clock time they spend outside each day by an hour until they have been outside for 8 hours .
This will “ harden ” your calla lily plant life , increasing its chances of fighting off diseases , insects , droughts , and wet condition .
If you want to learnWHENto plantANYFlower in Washington , head over toHEREand just type in the flower you desire to grow .