Horticultural Moments from 2018 February The horticultural moment for this month was on pruning. Elena said this is the time to prune your bushes, perennials and shrubs that bloom in the summer. Spring blooming shrubs should be pruned in the summer right after blooming. Lilacs – Prune right after they bloom by cutting out old growth stems, suckers and spent flowers. Butterfly Bush – Can be cut right to the ground and it will grow back and bloom all in one season. Forsythia – Prune right after blooms fade as it blooms next year on old wood. Cut out all old stems and shorten ones that are too long. Rose of Sharon – Can be pruned in late fall, late winter or very early spring before buds form. Cut back to first node. Grows on new wood. Hydrangeas – It depends on if the hydrangea blooms on old or new wood. For those that bloom on new wood, they can be cut back to the first live bud sometimes in April but be patient. Roses – never prune in the fall, always wait until spring when you just barely see new buds, then cut to the first live bud. Cut all old growth. Fruit Trees – Apple trees can be pruned in late winter into early spring. Elena recommended a book called Pruning Book by Lee Reich as a good resource to have when deciding whether or when to prune. March This months topic was on planting early crops – specifically peas and lettuce. Now is the time to plant. Lettuce can be planted in containers as it loves the cool temperatures. Leaf lettuce takes about 40 days so that if you plant by the 1st or 2nd of April you should have your first crop by the 2nd week in May. You can start the plants inside and then transplant to the outside when they are about 2” tall. Elena suggests staggering your planting every two weeks so that you have a continuous crop. She mentioned that lettuce can be planted alongside other plants that will provide shade for the lettuce as they don’t like to be in full sun all day. Peas can be planted in a pot as well as long as they are a short variety that only grow to about 18”. Some pea varieties grow to as high as 6” and need to be on a trellis. Peas can go into the ground now as long as the soil isn’t to wet. Peas do better if an innoculant is added which add nitrogen fixing bacteria. This can increase your yield up to 75%. Innoculant work on beans as well as peas. Elena mentioned new varieties of peas that have yellow and purple pods. Elena suggested putting brocolli in the place where you plant your peas this year as they also like the nitrogen that the peas will add to the soil. June If you have fruit trees or berries, now is the time to spray with sulphur for diseases or bugs. Sulphur is organic and will not hurt the plants and comes in powder or liquid form. Your roses should be getting ready to bloom. Feed now once a month until August. Just put a handful of Espoma (Rose Tone) around each plant. The months to feed are May, June, July and August. Feeding should stop after August so that the plants do not keep putting out new growth. July Elena’s topic for this month’s Horticultural Moment is Oakleaf Hydrangeas, in particular one called “Ruby Slippers”. They start out white, go to pink and then turns a ruby color in the fall. The leaves also go from dark green to burgundy. It blooms on both old and new wood, and grows in sun or part shade. The full height is between 4 and 5” high. Fall is the perfect time to plant them along with almost all perennials. They can be found at Bluestone Perennials or other online nurseries. August Elena’s reminder for this month is to make sure and water, especially with the dry conditions we have had. Especially plants in containers. August is the month to think about what plants you will be dividing so that in September when the growing season is winding down you will be ready. The plants need time to re-establish a root system before the weather gets cold. September Elena emphasized the need to water plants in pots or bags frequently especially in this warm weather. The garden benefits most from soaker hoses. In either case try to water early and try to not get water on the leaves as this can cause burning of the leaves as well as fungus. October It is time to start putting your garden to bed. This includes cutting down plants, maybe adding compost, having your soil tested if you question how well it is doing, and adding mulch to protect your plants over the winter. Elena noted that adding pine needles does not add to the acidity of the soil even though pine trees grow in acid soil. The same goes for oak leaves used as mulch. |