CHERRY I don't know a lot about growing artichokes, but fuzzy mold/fungus is probably a sign of over watering. Try to hit a medium where you water just enough to moisten the soil when it gets fairly dry. Do NOT let the pots stand in water. If the pots have been standing in water, that may be the reason the roots are growing out the bottom rather than a real need to re-pot. As for the fertilizer, you should almost always use 1/2 the recomended strength and only use it as often as is reccomended. More plants die from overfertilizing than from underfertilizing.
Fitness Minutes: (6,878) Posts: 1,947 4/3/11 6:53 P
Wow, I wish I had advice to offer. It sounds like you know a lot about artichokes....they sound difficult to grow, but I'll be they are delicious. I may give them a try myself. I hope you find an answer here. So far, everyone seems to know a lot about these kinds of problems.
Good luck and keep us appraised.
I used to say, It is what it is, but now I say, "If you don't like it, change it!!"
I posted this to a different gardening site I go to, but haven't gotten a response. Maybe you guys can offer some advice.
I'm having some problems with my artichoke seedlings. I planted them on February 9th or 15th (Had to resow some seeds), in 4 inch cowpots (except for one, which is in a plastic pot), thinning to one per pot, in Jiffy Seed Starting mix. I have a fan going during the day, and they're situated pretty close to the lights. For a little while they were on heat mats, but I had to take it from them and move it under the peppers. Anyway, here's what's going on:
The cowpots are getting white fuzzy mold on the sides, despite the fan. Agh. I tried letting them dry out a little more between watering, but they looked like they'd fainted and fallen down a flight of stairs, so I freaked out that they wouldn't come back. They perked back up, but it makes me hesitant to let them dry out too much.
The tips of the leaves are becoming yellow/brown and dried/dead
Purple dots are appearing on the leaves.
The roots are starting to poke out of the bottom and sides -- should I pot up? I'm not sure what to pot up to, though. . . They're already in 4 inch pots.
The day before yesterday, I gave them a dilute mixture of "Sea Magic" liquid fertilizer. I used about half the regular strength. . . I don't see a difference yet. How long should it take? Should I give them more? From what I've read, the purple spots and yellow/brown leaf tips sound like nutritional deficiencies, but I'm not sure. I haven't dealt with this before. Also, I don't want to give them too much fertilizer considering they still have about a month and a half before I can put them outside -- but from what I remember, I think artichokes are fairly heavy feeders, right? So maybe I should be giving them full strength fertilizer now that they're as big as they are? (They're just starting to get spines on their leaves -- it's awesome. Heh.) Anyway, I'm lost. Does anyone have advice? I would really appreciate some.
Oh, yeah, and I have freakin' fungus gnats. At least, I think that's what they are. I sorta used that as an excuse to purchase a sundew. Take that, little bastards! Ha. . . Until it arrives, though, maybe some yellow colored paper with double sided tape would help?
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