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| I don't have a lot of garden space, so I usually limit my blooming Echium wildpretii (Tower of Jewels) plants to one per year. After last season's plant finished blooming, I noticed that two new shoots had started growing near the base, curling off to the sides.. So I just trimmed the stalk instead of uprooting the whole plant. The new shoots are blooming now, but they are only about 4' in height each. Cool, a bonus year. And I notice that there is some other new growth forming at the base of the old plant. This biennial refuses to die, and is apparently up for round three. I've had foxgloves return for extended stays, but have never given the jewels the opportunity in years past. Maybe it realized I was shifting to E. simplex instead, because I am not a pink flower fan and white seemed a better option. My first E. simplex did great, so I have already planted a new one for future stalks. They are in different garden beds, so maybe I can find room for both. Especially since they are working so hard to please me. Which biennials extend their stay for you? |
Follow-Up Postings:
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| My philosophy about volunteer plants is that, until I have enough of them or give them out to all my friends and family, I will keep taking new growths and pot them up, if I don't have space for them. Then give those pots away to friends and family...sometimes even strangers! |
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| Wallflowers, (erysmium cheirii) are traditionally grown as biennials (often as part of a 'bedding out' system) but mine have been robustly perennial for over a decade. Nicotiana sylvestris is often good for another go-round, but both of these probably point up the shadings of classification and expectations between true biennials (Campanula medium), short-lived perennials or tender perennials grown as annuals. Have just been on a seed buying digitalis rampage after being hugely heartened by last years robust growth of fat rosettes, just beginning to extend skywards (D.purpurea, grandiflora, lutea) in our bedraggled and wild woods - expecting a froth of various umbellifers and many white foxglove spikes. |
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- Posted by TexasRanger10 7 (My Page) on Thu, Apr 10, 14 at 21:19
| Interesting, I grew Erysmium 'Bowle's Mauve' sometime back which is supposed to be perennial but it acted like a biennial for me. I loved the plant, it bloomed in late winter & was evergreen with very attractive blue foliage which I would have liked even without the blooms. The plant got very big with a woody base so I trimmed it back after blooming the second year, it slowly died so I figured it was a biennial. Just looked it up, its perennial. |
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