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Am I overwatering my indoor flower and herb seeds?

I've tried starting flower and herb seeds indoors in our kitchen window, but it's always been a big disaster. The seedlings sprout, but they soon grow spindly and fall over. I've also noticed mold forming on the soil surface, but I'm afraid to stop watering because I don't want the seedlings to dry out. Am I overwatering?
Submitted by BHGPhotoContest

It sounds as though the problem could be too much water and too little light. Seedlings that remain wet in a warm, humid environment will fall prey to diseases such as damping-off fungus. If your seedlings are collapsing at the base, that could be what’s happening to them. Excess moisture also can cause mold on the soil’s surface. Water from the bottom by adding water to the trays, and only add water when the soil surface feels dry to the touch. Your spindly seedlings may need more consistent light. Fluorescent shop lights provide an inexpensive source of steady light. Place one an inch above the plants as they first emerge. Keep the light turned on for 16 hours each day. Gradually raise the light source as the seedlings grow taller, keeping the bulb an inch or two above the uppermost leaves.

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