maximilian sunflower pruning

If pruning, trim them down to about 2’ or 3’ in late June or early July. You can cut fall-blooming varieties a third time if necessary until late summer, but once the buds form, stop pruning. I tend to clean up the flower bed before winter sets in for a neat surface for mulching. She writes about a variety of topics, with a focus on sustainable, pesticide- and herbicide-free gardening. After a flower drops its petals, do you prune the remaining seed pod? All tip submissions are carefully reviewed before being published.

If I cut my sunflowers back to ground level, will they come back next year? wikiHow marks an article as reader-approved once it receives enough positive feedback.

Water deeply at the base of the plant to keep the foliage dry. Cut back perennial sunflower plants to the ground in fall after they are finished blooming and the foliage begins to fade. Hardy in U.S. Department of Agriculture plant hardiness zones 4 through 9, perennial sunflowers benefit from pruning to control their height and to help them grow thick and lush with lots of flowers. After the petals fall off and the backs of the flowers have turned yellow or even brown in color. Approved. We use cookies to make wikiHow great. Older stems can be mechanically cut back at the end of the season to make room for new sprouts. However, sunflowers that are growing in groups may need to be trimmed to keep from knocking one another over. Typical sunflower like flowers grow 2-3″ wide in clusters at the top of the stems. Late summer blooming types should be pruned back when they reach between 1.5 to 2 feet (0.5 to 0.6 m) in height, because they will recover in a few weeks and bloom regardless of the cuts. This helps control height because staking them can be difficult. The shape of the plant was much improved by a mid-season pruning.

Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. Fertilize the plant only if your soil is poor or growth appears stunted, as sunflowers generally require no fertilizer. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/7\/77\/Prune-Sunflowers-Step-1.jpg\/v4-460px-Prune-Sunflowers-Step-1.jpg","bigUrl":"\/images\/thumb\/7\/77\/Prune-Sunflowers-Step-1.jpg\/aid5079880-v4-728px-Prune-Sunflowers-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"