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| First I want to thank the person who answered my previous post. I have trouble starting vinca from seed. I would like to know how other people germinate vinca. Marie |
Follow-Up Postings:
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| I think the reply from gawdinfever in your previous post covered it all. Vinca isn't usually considered a difficult item so we'd need much more detail on your approach to it and the stages at which problems develop to provide specific help. 74-77F is optimum. soiless is recommended, but they will do fine in others. They do require light to germinate and they typically take around two weeks to do so. You don't want the mix/soil to dry completely out, but don't keep water logged either. After the initial soaking when I sow them, I usually bottom water. The condensation on the covering means they have enough moisture. At least it is basically the same way we do them in the greenhouse every year (I assume you are talking about annual vinca not vinca minor?). We use a bit higher soil temp of 80*. As to light or dark - dark has a higher germination rate but a limited amount of light doesn't hurt. All you have to do is place a folded sheet of newspaper or similar material on top of the plastic dome (if you use domes). We don't use domes, just heavy shade cloth over the trays. There are several discussions on it over on the Annuals Forum here too you might want to check out. For future reference you could have just added this to your previous post rather than start a new one. That would have bumped it back up to the top. ;) Dave |
Here is a link that might be useful: Greenhouse Production of Annual Vinca
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- Posted by gardengalkc 5 B (My Page) on Mon, Mar 29, 10 at 7:31
| Thank you Dave and gawdinfever. In previous years I covered seeds with black plastic and used room temperature. Also I did not pay enough attention to amount of water. This year I put on heat and covered with black plastic with very poor results. After gawdenfever email, I sowed a few seeds and put on heat and covered with vermiculite. Do you think that will work. Thank you. Marie |
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- Posted by poisondartfrog 7 (My Page) on Tue, Mar 30, 10 at 14:09
| Vinca is no more difficult than Impatiens from seed, but they do not require light to germinate. I usually cover lightly with jiffy mix. However, I got a packet of Vinca seeds from Swallowtail Gardens this year that instructed that light should be completely blocked which I had not done before. I covered the pot with newspaper and had germination in 4 days. Alana |
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