Do you want to arise rosemary in Colorado , but do n’t know when to plant them ?
Planting rosemary is not as easy as it seems .
Here ’s why :

So if you plant them outside too early in the saltation they will die . And if you embed them too late , your rosemary wo n’t create a harvest before the first rime arrive in the surrender .
Today , I ’m going to learn you the ideal time to found rosemary in Colorado :
When to Plant Rosemary in Colorado
As you may have already suppose , you need to compensate very close attention to your local conditions in the bounce . Specifically , you are go to need to watch over when the last Robert Frost fall out .
In general , when there has n’t been a rime for two weeks , you are SAFE to plant your rosemary outdoors in Colorado !
For your reference , I have create this table for average freeze dates for most major cities in Colorado . If your city is not list below you may find its Last & First Frost DatesHERE .

Colorado Last & First Frost Dates
regrettably , Mother Nature plays barbarous tricks on us every class .
It should be take down that the above particular date are just average .

There are twelvemonth when the last freeze comesMUCHlater . Sometimes , the last frost happens much before and you may get your Rosmarinus officinalis planted outside in Colorado much quicker .
Like I said before , you need to be very diligent in checking your local weather .
So what materialize if a frost comes AFTER you constitute your rosemary ?
When you bed a frost is coming you need to take activity .
Also , ensure not to engraft your rosemary in your garden too recently .
When Should You Start Your Rosemary Seeds Indoors?
Depending on the type of rosemary , it take roughly 80 - 100 days to develop rosemary from semen indoors and then transplant them to your garden .
For aspecific datethat you should start rosemary seeds indoors you should :
Not only this , but I recommend again pay close attention to your local weather condition written report .
It should also be noted that the best proficiency for work your rosemary plants outside is to introduce them ( in their pots ) outside for an hour . And then increase the amount of time they spend outside each Clarence Shepard Day Jr. by an hour until they have been outside for 8 hours .
This will “ hardened ” your rosemary plant life , increasing its probability of fighting off diseases , insects , drouth , and crocked conditions .
If you want to learnWHENto plantANYVegetable in Colorado , direct over toHEREand just type in the vegetable you want to grow .