![]() To learn more about starting a walnut tree from seed, check out the following video: ![]() Keep it in a sunny location throughout the summer. Keep the seedling outside as much as possible, though try to shield it from storms, high winds, and extreme temperatures. Water the seedlings whenever the top inch or so of the soil begins to dry out. Move them to a partially shaded location.Īs they grow over the next week or two, gradually allow them to transition back to full sun. The seeds should germinate within 4 to 6 weeks. Place the planters in a sunny location where they will warm to around 85 degrees each day. Water the seeds in, fully saturating the soil to a depth of at least 5 or 6 inches–just below the level of the seed. Plant one seed per planter at a depth of 4 to 5 inches. Plant the Seedsįill large planters with a mix of potting soil, sand, and compost. Check on them occasionally and moisten the mixture in the bags if it begins to dry out. Leave your bags of seeds in the fridge for 3 to 4 months. It’s best to have a separate refrigerator for this step rather than placing the bags in your main fridge–the constant opening and closing of the door will allow for temperature fluctuations, and the seeds stratify best when they are kept at a constant temperature and in constant darkness. Moisten the mixture, seal the bag, then shake it around to mix the seeds in with the perlite or soil. Place your seeds in resealable bags with perlite or a mixture of peat moss and potting soil. Stratifying seeds basically means that you’re mimicking the period of dormancy the seeds would experience naturally while buried in the ground outside. If you plan to start your seeds in planters, you will need to stratify them before doing so. You’ll want to plant the seeds in late fall or early winter, then cover them with a layer of cloth and mulch to prevent squirrels from digging them up. If you’re planting your seeds directly in the soil outside, you can skip this step. Seeds that sink to the bottom of the bucket are more likely to sprout. This will clean them and will also help you determine which seeds are viable and which ones are not.Īny seeds that float to the top of the water should be thrown out. Soak the SeedsĪllow the husked seeds to soak in a bucket of water overnight. Soaking them in water softens them significantly and makes them much easier to work with. Use a knife to score the husk, then pry off chunks of it until you are left with the hard, ridged seed inside.Īlternatively, you can place your walnuts in a bucket of water, allow them to soak for a couple of days, then pull the husks away from the seeds. Black walnut husks are used to make a yellow dye, and this color is extremely difficult to remove from both skin and clothes. This husk will appear green on fresher walnuts and black if the walnuts have been sitting on the ground for a while.Īlways wear gloves for this process unless you don’t mind having stained hands for the next few weeks. Once you have gathered your seeds, it’s time to remove the soft outer husk. If you don’t have a black walnut tree growing in your area, you may be able to find seeds online. Chances are they’ll be all over the ground in the immediate vicinity of the tree.Īlternatively, you can knock any remaining walnuts off the branches with a telescopic branch holder or by climbing into the tree and shaking the individual branches. In the fall or early winter, find your nearest black walnut tree and gather up some of the seeds that have fallen. If you already have black walnut trees growing in your area, then you should have no problem finding seeds to plant. Let’s take a closer look at the process: Gather Seeds Walnut trees are relatively easy to start from seed the most time-consuming part is preparing the seeds for planting. How to Start Black Walnut Trees From Seed What Not to Plant Near a Black Walnut Tree.How to Care For Your Black Walnut Tree?.How to Plant a Black Walnut Tree Seedling?.For more information visit us on the web at How to Start Black Walnut Trees From Seed Sources: Compiled from experience and information from the Pennsylvania, Wisconsin, Minnesota, West Virginia, and OhioĬooperative Extension services. It is a means of eliminating competition, referred to as allelopathy The following list contains plants that show tolerance of this chemical:Īpple, Azalea, Baptisia, Columbine, Egg Plant, Green Pepper, Hydrangea, Mountain Laurel, Peony, Petunia, Potato, Tomato, White Pine, Yew Black walnut trees produce a chemical called juglone that inhibits the growth of neighboring plants.
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