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Beginner Gardening Questions: red leaves

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Forum: Beginner Gardening QuestionsReplies: 11, Views: 66
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toomanyplants77
Hammond, NY

May 8, 2012
5:32 PM

Post #9116314

Why are the leaves on my seedlings turning red?

flowAjen

flowAjen
central, NJ
(Zone 6b)

May 8, 2012
6:07 PM

Post #9116361

what kind of seedlings?
Doug9345
Durhamville, NY
(Zone 5b)

May 9, 2012
5:24 AM

Post #9116839

Also what conditions are they being grow in. Inside or out?. Direct seeded or transplanted?
For all we know maybe they are supposed to red.
toomanyplants77
Hammond, NY

May 9, 2012
6:01 AM

Post #9116893

They are african daisy, pansy, snapdragon and other flower seedlings that were started indoors under lights, moved to a small greenhouse and then placed outdoors. They are still in cellpacks waiting to be transplanted into the ground.

flowAjen

flowAjen
central, NJ
(Zone 6b)

May 9, 2012
6:23 AM

Post #9116938

Have they outgrown the cell packs? sounds like a great start and they probably should have been transplanted to bigger containers once the 2nd set of leaves appeared. Did you place them in direct sun outside? did you just move them outside( cause up until 2 nights ago we were still having some really cold nights)
toomanyplants77
Hammond, NY

May 9, 2012
11:11 AM

Post #9117359

They were initially started in plug trays and then transplanted to 6 packs which I don't think that they have outgrown. They were shaded at first but have had increased exposure to direct sunlight. They've only been left outdoors on nights where the temp didn't go below the low 40's.

flowAjen

flowAjen
central, NJ
(Zone 6b)

May 9, 2012
11:27 AM

Post #9117379

hmmmmm...Do you have a picture you could post?
toomanyplants77
Hammond, NY

May 10, 2012
6:06 PM

Post #9119157

this is a picture of some lobelia that is turning red.

Thumbnail by toomanyplants77
Click the image for an enlarged view.

gardenworm2
Standish, MI

May 10, 2012
6:29 PM

Post #9119191

Have you used any type of fertilizer on your plants yet? If so what?

flowAjen

flowAjen
central, NJ
(Zone 6b)

May 10, 2012
6:35 PM

Post #9119194

what variety of lobelia is it?
toomanyplants77
Hammond, NY

May 11, 2012
10:55 AM

Post #9119902

I used very diluted fish emulsion early on, have not fertilized recently. It is rainbow cascade trailing lobelia. The same thing is happening to african daisies, pansies, snapdragons and several other plant varieties. I am beginning to think that an earlier suggestion about them being exposed to cooler temps could be the problem.
gardenworm2
Standish, MI

May 11, 2012
2:10 PM

Post #9120104

When some plants are stressed because of lack of certain nutrients the leaves will, at times turn red. Early exposure to cold climates shows as translucent spots on the leaves or the leaves will curl and die. This does not always happen but I would feel that you are having a response to nutrient problems.

I hope someone may have more input to your problem but I would lean toward nutrients. One bright spot is the red lobelia foliage makes the plant have a unique look.

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