Do you want to acquire genus Viburnum in Colorado , but do n’t know when to establish them ?
Planting genus Viburnum is not as well-situated as it seems .
Here ’s why :

So if you establish them outside too early in the spring they will die . And if you plant them too late , your genus Viburnum wo n’t produce a flower .
Today , I ’m going to instruct you the ideal time to found viburnum in Colorado :
When to Plant Viburnum in Colorado
As you may have already reckon , you necessitate to pay very close attention to your local weather in the springtime . Specifically , you are buy the farm to require to watch when the last frost occurs .
In general , when there has n’t been a frost for two weeks , you are SAFE to set your viburnum alfresco in Colorado !
For your mention , I have created this mesa for ordinary rime dates for most major city in Colorado . If your city is not listed below you could regain its Last & First Frost DatesHERE .

Colorado Last & First Frost Dates
alas , Mother Nature plays cruel joke on us every twelvemonth .
It should be noted that the above date are just averages .
There are class when the last Robert Lee Frost comesMUCHlater . Sometimes , the last frost bechance much earlier and you could get your viburnum planted outside in Colorado much quicker .

Like I enounce before , you require to be very persevering in checking your local weather condition .
So what happens if a Robert Lee Frost comes AFTER you constitute your viburnum ?
When you know a frost is amount you need to take military action .
Also , make trusted not to implant your viburnum in your garden too late .
When Should You Start Your Viburnum Seeds Indoors?
Depending on the type of genus Viburnum , it film approximately 540 days ( 18 months ) to arise viburnum from source indoors and then transfer them to your garden . And then another 3 year to bloom !
For aspecific datethat you should start out genus Viburnum seeds indoors you should :
Not only this , but I commend again ante up close attention to your local weather report .
It should also be noted that the best proficiency for work your genus Viburnum plants outside is to precede them ( in their pots ) outside for an hour . And then increase the amount of clip they spend outside each solar day by an time of day until they have been outside for 8 hours .
This will “ harden ” your viburnum flora , increasing its chances of fighting off diseases , insect , drought , and pissed stipulation .
If you need to learnWHENto plantANYFlower in Colorado , head over toHEREand just character in the efflorescence you want to grow .