Wrap the starter pots with plastic wrap. 1. Place the seed container on a heat mat under growing light(s). Although it grows best in moist soils near stream banks and on floodplains, it will grow on dry, less fertile soils. 2. Move the pots into a cold frame or indoors near a large window. Hackberry can be a hard seedling to find, but we have them! Unfortunately, a cherry tree will not grow in all regions. The shrub itself is festooned with sharp thorns that can grow to 2 cm and thereby provide birds with fortress-like protection from predators. Leaves: Alternate, simple, double-toothed with unequal leaf bases. Pick through the seeds at the bottom of the bucket and discard any with obvious signs of damage. Place your seeds 1 inch to 1 ½ inches below the soil surface. Seed Dispersal Dates: October - Winter. Move the hackberry seedlings to a lightly shaded area of the garden in spring after the last frost. Apply very light pressure when scarifying the seed, and rub only until a pale spot develops. For the past three years, we have suffered through a drought. They grow on a long stem and turn purple when they ripen. Germination may occur in 1 week or as long as 3 months (depending on the species). Transplant them into 6-inch pots filled with standard potting soil once they reach 2 inches tall. These trees do not flower or produce fruit, but local arborists and natives called them hackberry. Do not make a hole in the seed coat. Plant one in your yard for its shade and seasonal interest, especially if you have a place where the soil is too poor for other trees. The tree is a distant relative of the American elm, but is actually in the Cannabaceae plant family, which means that it is more closely related botanically to Cannabis and Humulus (hops). To stratify a cherry pit outdoors, sow it in a furrow no deeper than 1 to 2 times the width of the pit. Conversely, some specimens remain smaller than average, and present as a large shrub. Seeds and Plant Production Common hackberry seeds are ready for collection in September and October. Hackberry (C. occidentalis) is a large native tree found commonly on river terraces and floodplains in southern and central Minnesota.It is related to the American elm and after the arrival of Dutch elm disease in Minnesota, hackberry often replaced American elms both in native forests and in planted landscapes. Trees that are adapted to your climate and soils are more likely to survive and thrive than varieties from far-flung regions. Sometimes called nettle tree, the common hackberry (Celtis occidentalis) is a deciduous tree valued for its umbrella-shaped canopy and attractive fall foliage. How to Sprout a Hackberry Seed 1. Prune it once it's dormant. We pledge that we do not knowingly buy, sell or trade genetically engineered seeds or plants. Scarification is commonly required on seeds with dense or hard seed shells. Germination usually occurs in May or during the spring season. Poke a few holes in the lid of the salad bowl.. 2. Hackberry Twig - Photo by Paul Wray, Iowa State University Add water to keep the soil mix moist. Scarification is the process of reducing or breaking the seed coat so that moisture can penetrate and the embryo can begin the germination process. They are broad crowned and often have an erratic shape. Water the hackberry seeds whenever the sand mixture feels mostly dry just beneath the surface. Annual height growth will decrease in drier soils. Do your seeds require stratification (pre-treatment)? Cover the seed loosely with the sand and compost mixture. Hackberry fruits somewhat resemble cherries; the fruits are drupes, with a thin fleshy pulp covering a stone. California Polytechnic State University Urban Forest Ecosystems Institute: Common Hackberry, Colorado State University Forest Service: Growing Trees and Shrubs from Seed, University of Florida Department of Environmental Horticulture: Landscape Plant Propagation Information: Celtis Occidentalis, University of California Alameda County Master Gardeners: Your Alameda County Garden Month-by-Month. The persistent fruits attract many birds that also find the tree to be a suitable nesting site. Native Habitats: Gather hackberry fruit in late summer or early fall, as soon as they ripen to a solid, purplish-red color. Hackberry is the common name used for trees in the Celtis genus. Weed the planting area thoroughly to eliminate competition for moisture and nutrient resources. Plant Trees You Don’t Have. It truly is quite an adaptable species of tree and requires little care. Gently crush the flesh using a soft mallet to make the seeds easier to... 3. Hackberries are easy to grow from seed. Customers also shopped for. Keep your heat mat on 24 hours per day. Fill 3-inch starter pots with a mix of 3 parts coarse sand and 1 part seed compost. This member of the Elm family is one tough tree that is highly adaptable to most soil types. Commonly seen along fence rows and fields, it will grow naturally near bodies of … Once your seeds germinate, move each seed into its own container under the growing lights and on the heat mat. Dig a hole as deep and at least twice as wide as the root ball. The trees produce fruit at approximately 8 to 9 years of age, or when they reach maturity, according to the North Dakota State University Extension; however, the trees are rarely planted for their fruits.