For a 20 inch wide planter with a 16 inch insert i used about 1 5 bags of concrete mix.
Best flowers for concrete planters.
The solid thickness and durability of concrete help hold in the water but still allow adequate drainage.
Hypertufa planters have high alkaline levels due to the use of portland cement.
Step 1 mix the concrete.
The plant may flower in winter in milder climates but it s generally considered an annual.
Plant contained trees and shrubs in concrete planters.
Diy concrete planters tutorial.
Use as a vertical accent as part of a mixed container.
Step 5 get colorful.
Step 3 fill the planter molds.
The leaves are anywhere from 10 to 20 inches long and 6 to 8 inches wide and turn a gorgeous burgundy in fall.
What to plant in concrete planters.
The concrete planters available at wayfair are ideal for a variety of vegetation including flowers vegetables and ornamental plants.
Perky little flowers last all season on upright stems in tons of bright colors including purple pink cranberry bright yellow pale yellow orange and white.
Specialty products like shapecrete are formulated to work more like clay so they can be molded and shaped to create more interesting designs.
Step 2 prep the molds.
If you plan on using your concrete planter outdoors in freezing temperatures use.
You can also overwinter cannas indoors then bring them outside the next spring.
I used just over a 60lb bag.
With its green glossy oval leaves bergenia bergenia cordifolia and cvs zones 3 8 is one of my favorite plants because it is a strong grower that provides a bold element in a container design.
Concrete planters are both sturdy and attractive.
Quick setting concrete mix already has the perfect balance of cement and fine sand you need to make a concrete planter.
These plants can often be found close to the water so they need moist soil to be happy in a garden.
Perfect for creating a lush tropical look canna offers large leaves variegated in many varieties and glowing flowers in shades of red orange yellow and pink.
Step 4 removing from mold.
The size of the tree depends on the size of the planter.
The foliage later turns purplish adding another bit of visual interest so it s great for container gardening and is one of the best plants for pots outdoors.
Very berry offers glossy dark leaves the perfect backdrop for small white bell shaped flowers in summer and bright red aromatic berries in early fall.
Some cements are high in alkaline which leaches into the soil and may stunt the growth of plants.
Other planters may have clay mixed in with the cement which leaches salt into the soil over time.