Do you desire to grow genus Allium in Arizona , but do n’t know when to plant them ?
Planting allium is not as easy as it seems .
Here ’s why :

So if you plant them out of doors too early in the drop they will die . And if you plant them too late , your allium wo n’t develop a bloom .
Today , I ’m going to instruct you the ideal time to institute genus Allium in Arizona :
When to Plant Allium in Arizona
As you may have already guessed , you take to yield very close care to your local atmospheric condition in the fall . Specifically , you are going to need to determine when the last Robert Lee Frost occur .
In general , when there has n’t been a hoarfrost for two weeks , you are SAFE to institute your allium outside in Arizona !
For your character , I have make this table for average icing dates for most major cities in Arizona . If your city is not listed below you could find its Last & First Frost DatesHERE .

Arizona Last & First Frost Dates
regrettably , Mother Nature plays cruel tricks on us every twelvemonth .
It should be noted that the above dates are just averages .
There are year when the last hoarfrost comesMUCHlater . Sometimes , the last rime happens much to begin with and you’re able to get your allium imbed outside in Arizona much faster .

Like I said before , you need to be very persevering in checking your local atmospheric condition .
So what happens if a frost comes AFTER you plant your allium ?
When you know a frost is coming you need to take action .
Also , check that not to establish your genus Allium in your garden too recently .
When Should You Start Your Allium Seeds Indoors?
Depending on the type of allium , it take roughly 21 Day to spring up genus Allium from seed indoors and then transfer them to your garden . And then another 360 twenty-four hours to bloom !
For aspecific datethat you should set out allium seed indoors you should :
Not only this , but I recommend again paying close care to your local atmospheric condition account .
It should also be note that the good technique for bringing your allium plants out of doors is to infix them ( in their pot ) out of doors for an hour . And then increase the amount of time they spend outside each day by an hour until they have been outside for 8 hours .
This will “ harden ” your allium plant , increase its chances of struggle off disease , worm , drouth , and wet condition .
If you require to learnWHENto plantANYFlower in Arizona , channelise over toHEREand just type in the peak you need to produce .