
Planting Rose of Sharon & Other Hibiscus Flowers

Fall Flowers and Foliage
Fall Vegetable Gardening
Fall Garden Cleanup
Garden Soil Preparation
Fall Nature
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When you say full sun, would that be morning sun or afternoon sun? Afternoon is much fiercer than morning and some plants cannot tolerate harsh afternoon sun.
An established shrub can take full afternoon sun, but freshly planted ones should be monitored and watered adequately if planted in full afternoon sun.
I also have some Brugs that are new to me and this is their 2nd year. Two of them have not bloomed yet for me. For one of my 2nd year Brugs I finally have multiple blooms growing ghis year. I am so excited. I also was able to purchase a new Brug from a nursery and it also multiple flowered for me. They were all treated the same and all had the same amount of sun. I really think it's the luck of the draw. We'll see what happens next year.
PS all of my brugs are in large pots and I bring them inside for winter. I live in Nova Scotia
My Rose of Sharon shrubs, I have three in a row, are at least twenty feet tall, and profusely bloom mid-July through August, by mid September the last few blooms stop. So never have they bloomed a single flower in Autumn. I would also add, that I too have a trumpet vine, as the first commenter, that was given to me twenty years ago at least, that is so invasive, it has shoots coming up every where. I can not rid my property of it, nor chop it down, without it coming back even more aggressive. Here in lies the rub; it, nor any of the hundreds of offshoots, have ever bloomed one trumpet flower, ever. So, there must be something too this, issue of non flowering trumpet vines. I can not find, any solution, that will work, and make them flower.
My two rose of sharon trees struggle yearly to bloom. They were pruned into tree shape since I got them five years ago. I've kept the shape and tried pruning down to a couple buds in early spring to keep them small and perhaps get the buds to open by having less of them. But the tree grows four or more feet even after pruning. The flowers are doubles, which makes them very heavy when they don't open. Each year, a few more will open, but it's still mostly closed buds. This season, I skipped pruning and will see what happens. My hardy hibiscus, however, is ten years old and sits in the center of my front garden. Now at its full size, it's about 4 ft by 4 ft each summer by the time blooms form. Pretty much zero maintenance. Cut it to the ground after the first freeze, remove some of the faded blooms to keep it pretty during the bloom time, which usually lasts three to four weeks in late July through August. Yes, it takes time in the spring to get growing but by the end of May it's green enough to start looking good and fills in nicely with lovely foliage as a backdrop to annuals and other perennials. I highly recommend them for anyone with the space in full sun.
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