A bog garden contains permanently moist soil and allows you to grow plants that are well-adapted to such conditions. Bog gardens associate well with water features, helping to integrate them into the wider garden. They can also make an attractively lush feature in their own right. Mid spring is an ideal time to make a new bog garden.
Using flexible liner when you create your garden pond is easier to extend the excavation to create a depression of 45 cm deep for an adjacent bog garden. Buy a piece of liner that is large enough to cover both areas and lay it on a bad of sand. The piece of liner that is covering the bog garden needs to be perforated with few holes and lined with a layer of gravel of 5 cm deep to provide a good drainage.
Create a Bog Garden
Build a low wall of stones to separate the pond from the bog garden and lay some fine-mesh netting along the bog garden side of stones to prevent the soil washing into the pond. Half-fill the bog garden with soil mixture made from 3 parts loam and 1 part well-rotted organic matter. Lay some decorative pebbles to conceal the netting then top up the bog garden with soil mix. Don’t forget to add some balanced slow-release fertilizer into the top soil mix. Trim the edges of the liner to leave 15 cm overlap all the way around and cover with pebbles or with a layer of soil or turf.
If you don’t have a pond or you only want to create a bog garden just do it in the same way using perforated pond liner. You can also create a bog garden adjacent to an existing water feature but take care not to destroy the feature.
If you have a naturally boggy garden you can grow bog garden plants throughout. If your bog garden is wider than 1.8 m it would be difficult to maintain it if you don’t have a pathway through that area. On a smaller area stepping stones logs would be sufficient but on a larger area you should consider to install raised walkway made from timber decking materials pre-treated with a preservative to prevent rotting. Along the edges of your bog garden grow moisture-loving shrubs or make a backdrop from willow canes which will form a living screen after they will root.
All bog gardens need regular watering in dry spells so it will worth laying a seep hose on the soil surface before you plant the area. Once planting has been completed cover the seep hose4 with a layer of mulch so that it is out of sight.
One of the most common plant that we grow in our ponds is Nymphaea, on its common name of water lily. They are a graceful addition to any kind of pond, whether is a formal pond, a natural setting or a city courtyard, by their elegant floating cups and lush foliage. Their foliage also help to keep the water clear because they are large and create shade, thing that is helpful to control the growth of algae.
Their flowers vary in shape from star-like to globlet-shaped and peony blooms and color from the purest white to cream, shades of red, yellow or blue. Some of them have even perfumed flowers. Most of them bloom in the daytime but there are some that open at sundown.
They will like a place where will be full sun several hours a day, a calm water at about 20 degrees Celsius (68 F). They will need full sun for a rich bloom, otherwise they will only develop a mass of leaves and only few flowers.