Do you want to grow arum lily lily in Colorado , but do n’t know when to plant them ?

Planting Zantedeschia aethiopica lily is not as easy as it seems .

Here ’s why :

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So if you constitute them out of doors too early in the spring they will fail . And if you constitute them too late , your calla lily wo n’t produce a bloom .

Today , I ’m go to teach you the idealistic sentence to plant calla lily in Colorado :

When to Plant Calla Lily in Colorado

As you may have already guessed , you need to pay up very airless tending to your local weather in the bound . Specifically , you are going to require to watch when the last icing pass .

In general , when there has n’t been a frost for two weeks , you are SAFE to constitute your calla lily outdoors in Colorado !

For your reference , I have make this table for average frost dates for most major metropolis in Colorado . If your city is not list below you may get its Last & First Frost DatesHERE .

Colorado Frost Dates

Colorado Last & First Frost Dates

Unfortunately , Mother Nature plays savage thaumaturgy on us every twelvemonth .

It should be observe that the above dates are just averages .

There are years when the last Robert Lee Frost comesMUCHlater . Sometimes , the last rime happens much before and you’re able to get your Zantedeschia aethiopica lily planted outside in Colorado much faster .

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Like I state before , you need to be very persevering in check up on your local weather .

So what happens if a frost comes AFTER you plant your calla lily ?

When you hump a hoarfrost is come up you take to take action .

Also , ensure not to plant your calla lily in your garden too recently .

When Should You Start Your Calla Lily Seeds Indoors?

Depending on the eccentric of calla lily , it take roughly 7 to 14 days to grow calla lily from seed indoors and then transplant them to your garden . And then another 13 to 16 weeks to bloom !

For aspecific datethat you should start calla lily seeds indoors you should :

Not only this , but I urge again pay close attention to your local weather condition report card .

It should also be noted that the best technique for bringing your calla lily lily plants outside is to bring out them ( in their potbelly ) outdoors for an minute . And then increase the amount of metre they spend outside each day by an hour until they have been outside for 8 time of day .

This will “ harden ” your calla lily lily plant , increasing its chances of fight back off diseases , insect , droughts , and wet conditions .

If you want to learnWHENto plantANYFlower in Colorado , lead over toHEREand just type in the flower you want to grow .