Chard is a leafy green plant that resembles kale and collards. After the seedlings have grown, thin the seedlings so that they are 4 to 5 inches apart if you are want to use the whole plant (stem and leaves). The best time for Swiss chard fall planting is July 15 through August 15. It has crumpled, irregular leaves with a thick mid rib. Your Swiss chard plants will only need basic routine maintenance to thrive. In addition, having refreshing birdbaths and welcoming birdhouses attract feathered friends that also feed on insect pests. If you keep all plants there is a chance that they will not grow as full as just one swiss chard. Companion plants like sweet alyssum and chamomile attract pollinators, some of whom feed on the pests that may be attracted to Swiss chard. You may also select a low bolt seed mix. Before planting soak the seeds in warm water for 15 minutes, this helps to speed up germination. Swiss Chard Basics. Once your swiss chard grows for about 3-4 weeks you can either begin to thin it to allow only one plant to grow or keep all plants in the pots. The leaves can be used like other greens and the midrib can be used in much the way you would use celery. When the weather is cooler in early spring, water your Swiss chard about once a week, if there is no rain. The exact time will depend on your zone. Sow seeds 1/2 inch deep and a few inches apart. On top of that, if you like having edibles that are ripe for the picking all over your yard, but you don’t want to offend any neighbors or the HOA, Swiss chard is your plant. If the soil feels too dry, add an extra inch of water to the watering schedule. Water. Swiss chard requires about two inches of water per week to thrive. In this video I will show you how to transplant young Swiss Chard from a nursery pot to the ground in a few easy steps. Planting . Areas that expect early freezes should plant earlier and use a hoop house to give the developing plants some shade and keep them from bolting. How to Plant, Maintain, and Harvest Swiss Chard. Swiss chard is one of those plants that seems positively made for growing in containers in small spaces. It doesn’t mind being a little rootbound, and it isn’t too fussy. Step 5- Prune & Transplant your Swiss Chard Plant into a Larger Pot.