Planting Violas: Soil Depth

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TheWeatherman London, United Kingdom Apr 27, 2015

Hi people,

I'm a gardening newbie and can't find the exact information, so I would be most grateful if you guys can help me out :).

I would like to ask you what's the optimal soil depth for planting violas/pansies?

Any information would be much appreciated :).

Wish you all the best.

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altagardener Calgary, AB(Zone 3b) Apr 27, 2015

Seeds or plants? If seeds, sprinkle them on top of the planting medium, or sprinkle a very small amount of soil overtop.

If plants, plant them at the same depth they were in the pots.

In gardening circumstances, if you can't find definitive answers, or find a multitude of conflicting answers, it's usually because it isn't really critical to growing the plant and whatever you do (within reason) will be fine.

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Angelickho Wiltshire, United Kingdom May 06, 2015

If it is a viola you purchased from garden centre just plant them at the same depth as that on their cell pack. Make sure you plant it on a bigger pot than that of the cell pack. Mounding violas should be spaced about 6-8 inches apart. Trailing or spreading varieties can be planted 10-12 inches apart.

If it is seed ( germinate indoors )

Good well-draining soil is recommended ( i usually add a handful of washed wet Vermiculite on my soil John Innes Seedling Soil ). Make sure your potting mix is moisten before you add the seed. Sprinkle the viola seed.
Cover with about 1/4 soil. If you plant it on pot or seed tray, i wrapped the pot/ tray with a cling film then put it on a black bin bag as Viola need darkness to germinate, so cover the seed completely. Some cover it with a newspaper or cardboard.
Keep the seed bed moist. Set in warm location ( 18- 21 degrees C ) - i put mine on airing boiler cupboard or on top of the fridge. Seeds should begin to germinate in 7 - 10 days.
As seedlings develop, thin plants to about 6- 8 inches apart. Transplant excess seedlings.

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