Wresting order out of chaos in the garden
Melissa Northern Italy zone 8
8 years ago
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catsrose
8 years agoRelated Discussions
Zinnia Chaos
Comments (10)Hi Sammy, Neither of your pictures look like the zinnias are outdoors in full Sun. The long internodal length on the visible stems would indicate insufficient light. I, too, use hydrogen peroxide, but only on my indoor zinnias. Your use of pots and a soilless mix are a culture more like indoor growing. Zinnias can be grown successfully indoors (I do it during late Fall, Winter, and early Spring), but it is not easy. Outdoor growing is easy. Stick the seeds in the soil and let nature takes its course with rain and sun. "Care: used bloom fertilizer 15-30-15, once a week , 1/2 dilutional strength from manufacturer's instructions." There is a severe danger that the soluble nutrient concentration can build up too strong using that regimen. You need to add nutrients to the container at a rate to make up for what the plant has used since the last application. A zinnia doesn't grow a whole lot during a 24-hour period, and most of its new growth is water. So a very small amount of nutrients are consumed during that period. For that matter, a very small weight of nutrients are taken up and used during a week. Unless you flood your containers and a lot of excess nutrient solution runs out the bottom of the container each time, your nutrients will accumulate approximately like: one half strength the first week, full strength the second week, 1.5 strength the third week, twice strength the fourth, and so on. The key to successful container growing of zinnias in a soilless potting mix is to realize that what you are doing is actually a form of hydroponic culture, using the potting mix as the substrate to support the roots. If you recognized your operation as hydroponic, you might use a mix of peat moss/vermiculite/perlite, or pine bark/vermiculite/perlite, or peat moss/pine bark/perlite, or something like that as a substrate. The mix in your picture looks like it doesn't drain well, and it needs something that will increase drainage, like pine bark and/or perlite. Zinnia roots need water and air, or the oxygen in air. Hydroponic growers monitor the electrical conductivity (EC) of their nutrient solution, usually with an EC meter. If the EC goes too high, they dilute it and if it goes too low they add more soluble nutrients. I'm not suggesting you buy an EC meter, but I am suggesting that you take steps to prevent the nutrient on the zinnia roots from becoming too concentrated. A white buildup (efflorescence) on the surface of your growing medium would be a sign of a seriously too high EC. Hydroponics requires a complete set of nutrients in the water. Check the nutrient list of your 15-30-15 "bloom" fertilizer. In addition to the usual nitrogen, phosphorus and potassium, does it also contain the macronutrients calcium, magnesium and sulfur and micronutrients like iron, manganese, magnesium, boron, molybdenum, zinc, copper, etc? Plants need quite a lot of calcium, which is absent in most commercial nutrients, so hydroponics growers supply that as calcium nitrate. Does your bloom fertilizer contain calcium? I include calcium nitrate in my nutrient solution for zinnias. Incidentally, are you starting your zinnias from seed, or buying plants? ZM...See MoreKeeping track - help bring order to my chaos :)
Comments (7)For seed collection, my system is very similar to Lblack's with the cups. I use yogurt cups. I stack them up, and unstack them to find the cup I want to put some seed into, since I collect over days or weeks as more seeds become ripe. I use envelopes sometimes too. Eventually I transfer the seeds into envelopes or tiny ziplocs, but I have a lot still sitting in yogurt cups. I now label things assuming I'll be letting them sit around awhile, and I won't remember details later--which color or spot in the yard, how tall the plant got, etc.. To avoid pulling your plant babies: if you take pictures of the seedlings, you'll have an idea of what the first true leaves look like, which should be consistent as the plants grow. If you plant the seedlings in a very regimented way--the exact same spacing, but staggering the rows--it will be easier to see that those 7 plants look the same, and are spaced the same, so they must be the ______ plant. Tying some yarn to be a loop sitting on the ground at the base of the seedlings isn't a bad idea--don't make it tight to the stem, of course. I think that would take a lot of time. Might be faster to make a bunch of small mini-blind labels, even if you don't label them, and put one at the very base of each seedling. Cut the blinds to be about 1/2 inch wide, and with a couple of inches to push into the ground. Like wrichard's knife method, but every seedling gets a marker so you don't yank it. If you do that right when you plant, it shouldn't hurt the roots. Poking it in later, that close to the plant, you may hurt the roots. And, like Vera and Tiffy suggested, you could also try to familiarize yourself with the weeds common in your yard, since you have fewer types of weeds than you have flowers. Also, the other gardening site--Dave's Garden/Plant Files can help a lot. I just google the plant name and the word "zone" and it comes up. Their info pages on plants often have a variety of photos that are very good for identification. Our site has something similar that may also help. And, you can always post on here, asking for a photo of foliage of a particular plant you've lost in your yard, or to ID a plant....See MoreMaking garden lists
Comments (2)Hi George, You're absolutely right. I have neither the energy nor the physical ability to do the things I want to do these days. My health will not allow it, and it's highly unlikely that it will ever be better than it is right now. Getting old is the pits! There are so many things I want to do . . . . . However, I suppose if I look on the bright side, I was supposed to have died six years ago. The fact that I'm out gardening is sort of amazing. I guess I just do the best I can with what I've got. Pat...See MorePlanning my autumn orders...
Comments (27)I am loving that clematis - so often, clems are planted in conjunction with other things, especially roses...and all well and good but the essential grace and delicacy of the singular clematis growth habits are so often missed...while yours is a lovely compliment to the arch. I have a plena purpurea elegans growing with Zepherine Drouhin - now a secateur casualty, and a completely unforeseen advantage is the black timber structure supporting the clematis on its own - such a lovely sight and never before appreciated as it was huddled amongst the (mildewed) rose canes looking a bit lost and forlorn. The negative spaces between blooms and leaves have a lightness which has absolutely enhanced this previously rather dull clematis (although I love to roll the entire name off my tongue - viticella purpurea plena elegans. The colour and shape of your clematis is a wonderful complement to that baroque ironwork....See Moredublinbay z6 (KS)
8 years agofig_insanity Z7b E TN
8 years agoonewheeler
8 years agoMelissa Northern Italy zone 8
8 years ago
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