Pansies flower during spring or early summer. They have a short life span of 3-4 months. So it is very important to know their exact time of blooming so you can get them ready before they die down too much. You might want to wait until the last day to plant them because if they bloom at night then they will not survive long enough for you to harvest their flowers and fruit in time.
The best way to know when your pansies will bloom is to use a thermometer. If you don’t have one handy, you can always check the weather forecast online. A good rule of thumb is to expect them to bloom between April and June. That means that you need to plant them somewhere around May 1st or 2nd depending on where you live!
In some areas like New England, they usually start blooming in late March or early April. In other places like Florida they usually bloom in mid-April. For those of you living in warmer climates, you may have to wait longer than normal.
Planting Pansies Outside
If you live in a warm climate, then chances are that you won’t have any problems with your pansies dying down too much before they bloom. However, if you live in a cold climate, then it would be wise to plant them outdoors anyway just to make sure everything is okay. The problem with this, however, is that you have to make sure you plant them in the right place.
When to Plant Pansies Outside
Now this is the tricky part because if you plant your pansies too early out in the open, then your plants might not be able to handle the extreme cold of winter and die off. The best way to do it is to plant them in pots by your house’s foundation where it is a little sheltered from the wind. This gives the plant time to grow roots and get big enough where it can handle even the coldest nights in winter.
It would also be good to build a little fence around the pots so that any strong winds will not knock them over and potentially kill the young plants. Also, if there is snow on the ground then it would also be best if you could place the pots somewhere where the snow does not pile up as much or at all.
These things are important to do because if your pansies freeze then they will not bloom for you come spring time.
How to Plant Pansies in Pots
Of course, it would be possible to just keep them in pots and transplant them outside after the threat of a cold snap has passed. I don’t think I have to go into detail about how to do that since there is tons of information about it online and in books. I would just make sure that you put some sort of marker by them so you know where they are in case you miss it in the snow.
I will also say that it would be a good idea to make the pots themselves lighter colored. If you have ever noticed, plants growing in dark colored pots get stressed and tend to wilt quicker than those growing in light colored or clear pots. Just something to keep in mind.
So there you have it. Those are some tips on how to prepare your pansies for next year. I hope they help!
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Sources & references used in this article:
Pansy production and marketing by JR Kessler, JA Hagan, P Cobb – Alabama A&M and …, 1998 – hortscans.ces.ncsu.edu
Photocontrol of flowering and extension growth in the long-day plant pansy by ES Runkle, RD Heins – Journal of the American Society for …, 2003 – journals.ashs.org
The Relation of Thrips to Pansy Spot on Apples1 by HF Madsen, ID Jack – The Canadian Entomologist, 1966 – cambridge.org
Commercial pansy production by DA Bailey – Horticulture Information Leaflet, 1998 – plantgrower.org
Pansy spots on apples (a peculiar form of thrips injury) by EP Venables – Journal of the Entomological Society of British …, 1924 – journal.entsocbc.ca
GROWING PANSIES by HH Crane – 1908 – J. Lane
Evaluation of F1 hybrids of Pansy (Viola tricolor L.) for better growth and quality flower production by KOF PANSIES – digitalcommons.usu.edu
Photoperiod and irradiance affect flowering in four cultivars of Pansy by A Kumar – 2010 – krishikosh.egranth.ac.in
Viruses that induce breaking in color of flower petals in pansies and violas by M Karlsson – HortScience, 1996 – journals.ashs.org