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Vegetable Gardening

White Spots on Leaves

8 years ago

Woke up to find my Jalapeño seedling covered in whitish spots. They are in the leaves, not on top. There was a couple tomato and flower seedlings next to it with some similar more yellowish dots, and a couple others next to those with less dots (like one caught it and it was spreading.). Any ideas what this could be?

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habjolokia z 6b/7

8 years ago

Good luck and I think it should recover even though you picked off the leaves that had the spots it may slow its growth for a bit. 70's and above will do the plant good. Let us know how it goes with that one.

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Comments (8)

habjolokia z 6b/7
8 years ago
Did anything in the enviorment change? Were they indoor under lights then taken outdoors? Did any fertlizer hit the leaves when watering?
leholmes8
Original Author
8 years ago
last modified: 8 years ago
No, nothing unusual that I can think of at all. I put them out during the day and inside at night (zone 8/9) like I always do. Yesterday was overcast, they might have gotten a few drops of rain on them. I dont use fertilizer (potting mix already has it). The Jalapeño is a couple months old (has been growing very slowly).
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The first plant looks like it has a watering problem. Either it got too dry while you were gone and the edges of the leaves were damaged, or it is getting overwatered and the roots are rotting. I see you have it on an automatic system. Did you ever find it badly wilted? If so, this is when the damage occurred and new growth should be normal. If not, then try taking it out of the pot and look at the roots. Healthy roots should be white and firm (older roots can become woody and darker, but should still be firm). There should be some new growth. Rotting roots will be mushy and discolored with little new growth. If they are rotting, take it off of the automatic system and hand water only when the soil gets dry.
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Ok , thanks for that info. I t makes a big difference. My first question would be about planting zucchini this early. Even in your location it seems awfully early for heat loving summer crops that can't tolerate to the many variables of early spring weather. That plus the wind factor and the possibility of incomplete hardening would indicate it is all environmental damage, damage from exposure. If that is the case and the plant survives and adjusts then the new growth should be fine but some plant protection may be required to insure its survival. The leaf edge burning/blackening I see is often a result from a spray of some kind or from excess nitrogen. I don't know what pikes potting soil is or its contents so can't address any nutrient problems it may have. Dave
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Hey Dee, google "Brand X Foliage Cleaner" (sorry I can't link it, I'm on a work computer). It's an amazing, non-toxic foliage cleaner that gets rid of most hard water spots, while also making the leaves "slippery" enough that mealy bugs and scale cannot adhere to the plant. I literally can't say enough good stuff about the product and use it on all my (non-fuzzy) plants.
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habjolokia z 6b/7
8 years ago
Besides the white spots it otherwise looks healthy, but it is small for being a couple months old. Is the daytime temp over 65? I ask because lower temps can cause peppers to grow slower. I would monitor and see how it does, hopefully better over the next week or two.
leholmes8
Original Author
8 years ago
Yes it's growing very slow, I've been letting it grow just naturally though. Just now getting into the 70s and 80s on a regular basis and it's taken off. I panicked and picked off the affected leaves because it seemed like something that was spreading, so we'll see if it recovers or not :/ Just planted a few more this week.
leholmes8
Original Author
8 years ago
Thanks, will do!
LoneJack Zn 6a, KC
8 years ago
It also looks to me like it got some water droplets on the leaves. The water drops can act like a magnifying glass on a sunny day causing the burn spots.
jean001a
8 years ago
Looks very pale. Suggest some nitrogen.

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