I’ve seen those “real” flower farms, with rows and rows of tall snapdragons – I wanted that! Cut back severely, and mulch well if you expect the plant to survive and grow back after winter. Harvesting: Cut the snapdragons at a 45-degree angle just above a leaf node. Usually, snapdragons are pinched back when they are only about four inches tall, this makes them bushy and thick. Deadheading will help keep your snapdragons blooming throughout the summer. Varieties of Snapdragons . The tall flower spikes of the snapdragon flower are adorned with many small blooms. These varieties, such as “Animation,” “Rocket,” and “Snappy Tongue,” require staking or other supports. Snapdragons in winter temperate zones will simply compost back into the soil or you can cut plants back in fall. Check the label or packet of the variety you are choosing. Cut snapdragons when they are at the height of their bloom using sharp shears or a knife. Preparing Snapdragons for Winter in Cold Regions Days to Maturity: Snapdragons continue to produce blooms from early to midsummer. tall; these include “Liberty” snapdragons. Snapdragons have been a popular cut flower for thousands of years. However, adding organic matter such as manure or compost to the bed will promote plant health. Over the last four or five seasons, I had tried virtually everything I could think of to grow the best snapdragons … Dwarf plants mature at a height of about 6 to 15 inches and form dense, bushy plants with lots of flower stalks. Then, when harvesting the flowers or when deadheading spent blooms, the cut should be made just above a node that will go on to form side branching with additional blooms. These blossoms are said to resemble the elongated snout of a dragon. There are blossoms all along the stems. Snapdragons or Dragon flowers are tall colorful flowers that come in every color of the rainbow. They make excellent cut flowers and garden borders. Cut them early in the day. When the mature plant is well into its spring flowering and shows signs of languishing, prune by shearing it back to about 6 inches tall. There are tall varieties and dwarf varieties and just about everything in between. I bought some beautiful apple blossom, trailing snapdragons this year and am not sure if I should deadhead these flowers or not. Snapdragons have long been highly regarded for both their beauty and the legends that accompanied them. If so, where should I cut them? Deadheading Snapdragons. Fill a shoe box one-third full with silica gel crystals. Snapdragons belong to the Plantaginaceae family, the family of plantains, and have about 40 species. Tall types of snapdragon are 2.5 to 4 feet (0.75 to 1.2 meters) tall and are often used for cut flower production. Snapdragons have multiple delicate blooms on long, slender stalks. When I was a young girl I visited gardens all the time, developing my love for blooms and plants of all sorts. Many snapdragons have one main central stem and smaller stems at their base. Fertilizer: Once established, Snapdragons are not heavy feeders. Once they get about six inches tall, we add a layer of tenax netting to keep heavy stems from toppling over in the spring rains. When harvested with just the bottom 3-5 flowers open, cut snaps will persist for an amazing amount of time. Some of the original plants spring back in the warm season but the numerous seeds that were self-sown freely sprout as well. These snapdragons are examples of the kind I love best- tall, sturdy, colorful snapdragons just like the ones my father grew in our garden in Nutley, New Jersey.. Mid-size varieties of snapdragon are 15 to 30 inches (38 to 76 cm.) Snapdragons have always been one of those flowers that just wouldn’t grow the way I wanted.