|It is now mid August and we just bought 3 Scotch Brooms with the intention of maintaining them in a relatively large pot in our garden.
My questions are, considering we are in Denver:
1. Will ground planting be better than in a pot (even in a much bigger pot)?
2. What care to do we do for the coming cold/winter season if
planted in pots or on ground?
|Lilac Time Scotch Broom is a deciduous shrub with a fast growth rate. It tolerates drought and will grow in dry soil but prefers well-drained/loamy, sandy or clay soils with a pH of acidic to slightly alkaline. It needs full sun and should be pruned after flowering to keep the plant in nice shape. Fertilize in the spring with Holly-tone or Plant-tone as recommended on the label.
You can plant your brooms in containers but you'll need to either sink the pots into the ground for safe-keeping this winter, or protect the roots by wrapping insulating material around the pots. Obviously, above-ground roots are quite susceptible to winter damage, so insulating them will be necessary. I usually just sink the pots into the ground and then unearth them in the spring. My container plants get along just fine with this treatment. Best wishes with your new plants!