8/18/2023 0 Comments Scotch broom and sweet broom![]() Still, the plant's aggressive growth rate warrants vigilance in warmer climates. Sweet broom is a hybrid developed to be sterile and non-invasive. Many species of broom plants are considered invasive and are banned in certain parts of the United States. Transplant when the cuttings have produced roots. Place your pot in indirect sunlight or under a fluorescent light. Place the cuttings in a mixture of moist peat and perlite, and cover the container with a plastic bag secured by a rubber band to keep the moisture in. Propagate sweet broom by stem cuttings in spring or summer. Prevent the spread of disease by sterilizing your pruner blades with household disinfectant before and after your pruning session. Use sharp bypass pruning shears and wear gloves. As the plant matures, cut out the oldest, less-productive, woody stems to enhance flowering on younger branches. Prune your sweet broom when it has finished blooming by trimming back all the branches by about one third. Always wear gloves and protective eyewear when spraying. Repeat the treatments every two weeks until the plant is clear of pests. If found, spray the affected areas with a ready-to-use pesticide marked for use with the insects. Take time when watering to inspect plants for whiteflies and spider mites, which are fond of sweet broom plants and can be found on the underside of foliage. ![]() In dry climates, mist the plant occasionally with warm water during the flowering season. This helps encourage deep, healthy roots. Water deeply and thoroughly when you water, then allow the soil to become moderately dry between waterings. Use a regular watering schedule during the first growing season until the plant has developed a deep root system. Broadcast 3 tablespoons of fertilizer per 4 square feet, and water the area thoroughly. Feed your plant a granular, slow-release, 15-15-15 fertilizer once in early spring. Garden-grown sweet broom asks for porous, well-drained soil. Mix 1 tablespoon of fertilizer per 1 gallon of water. ![]() Feed container plants every two weeks with a water-soluble, all purpose fertilizer such ass 15-15-15. A general potting soil can be improved by adding equal parts of sand, perlite and peat moss. ![]() Soil and Nutrient RequirementsĬontainer-grown sweet broom needs a fast-draining potting soil to keep roots supplied with plentiful oxygen. ![]() Sweet broom plants tolerate poorer soils outdoors and can help stabilize slopes. If your winter temperatures regularly drop below 15 degrees Fahrenheit, give sweet broom a sheltered, south-facing location. It flowers beset in bright indirect sunlight coming from the south, east or west. Locate sweet broom in an area where it receives light shade to full sun. At maturity, sweet broom reaches 6 to 8 feet tall and 5 to 6 feet wide. Plan your planting or container placement to allow enough room to accommodate this fast-growing plant. ![]()
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