how tall is leggy? - Knowledgebase Question

Little Egg Harbor Township, NJ
Avatar for murals4
Question by murals4
February 8, 2006
My broccoli seedlings are two inches tall from the soil line to where the stem splits to make the first set of leaves. The first set of true leaves are just beginning to bud through the split. I have kept the flourescent light one inch away from the tops since they germinated, and the temp at 65 degrees. Two out of twenty have fallen over. Are my plants leggy? Or are they supposed to this tall normally?

Answer from NGA
February 8, 2006
I think your plants are just about the right size for their age. Keeping the fluorescent lights one inch above the tops of the seedlings is right; be sure to use one warm white and one cool light fluorescent bulb to provide the full spectrum of UV rays. Also, be sure to keep the lights on 14-16 hours each day. The two plants that have fallen over may have the beginnings of a fungal disease called damping off. Check to see if the stems are discolored at the soil level. You can avoid fungal problems if you train a small fan on the tray of seedlings. An oscillating fan works well.

Leggy, or spindly stems are usually very apparent; they're thin, lack a normal healthy green color, and they tend to lean towards the light source. If your seedlings are growing straight up toward the light source, they should be getting enough light.

Hope this answers all your questions. Good luck with your broccoli!

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