How-to : Fertilization for Annuals and PerennialsĪnnuals and perennials may be fertilized using: 1.water-soluble, quick release fertilizers 2. Applications made at that time can force lush, vegetative growth that will not have a chance to harden off before the onset of cold weather. It is best to avoid fertilizing late in the growing season. Excess nitrogen in the soil can cause excessive vegetative growth on plants at the expense of flower bud development. Fertilizers that are high in N, nitrogen, will promote green leafy growth. If one or more nutrients is low, a specific instead of an all-purpose fertilizer may be required. A soil test can determine existing nutrient levels in the soil. ![]() Shrubs and other plants in the landscape can be fertilized yearly. Trees need to be fertilized every few years. Take a visual inventory of your landscape. How-to : Fertilization for Established PlantsĮstablished plants can benefit from fertilization. Look for a fertilizer that has phosphorus, P, in it(the second number on the bag.) Apply recommended amount for plant per label directions in the soil at time of planting or at least during the first growing season. Young plants need extra phosphorus to encourage good root development. Plant Care Fertilizing How-to : Fertilization for Young Plants Tolerances: deer, drought, heat & humidity,īloomtime Range: Mid Spring to Mid Summer Google Plant Images: click here! Characteristics Cultivar: n/a Grows 2 to 3 feet tall, 1 1/2 inches wide. Penstemon pseudospectabilis bears from spring to summer, spike-like racemes of tubular, rose-purple flowers, sometimes with yellow-tinged throats. They are summer bloomers, attract hummingbirds, and will keep your garden exciting after the spring colors have faded away. The leaves are narrow and lance shaped (up to 5 inches long). ![]() This short-lived perennial, often treated as an annual in colder climates, is grown primarily for it’s pretty, tubular, two-lipped flowers (all colors but blue and yellow).
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