Lighting On New Seedlings - Knowledgebase Question

Clay, NY
Question by jmfjmf69
March 3, 2001
I started cuccumber, cantaloupe. and pumpkin seeds under plant lights. I was astounded to see them up in two days! I would like to know how far the lights should be from the starting trays when I plant the seeds? The pumpkin plants are already 3 to 4 inches tall. They look leggy to me. How close shoulld I keep the lights from them? All seedlings look stocky and green. Also, should I start new pumkin seeds? Thanks once again for your input

Answer from NGA
March 3, 2001


Congratulations on your seeding success!

Unfortunately, these plants do grow very quickly. They grow so quickly in fact, that they are usually started much closer to the last expected frost date. They also do not tolerate frost and are transplanted outside at or after the last expected frost date.

If you plant the seeds indoors, you would plant melons at the frost date, cukes about a week before it, and squash about two weeks before it. The plants would be transplanted in about two weeks after seeding. Since they do grow so fast, many gardeners simply direct seed them in the garden, too. Direct seeding would be done about a week after the last frost date when the soil has warmed up a bit.

In my experience, it isn't possible to keep these seedlings healthy under lights for more than about a week or so, so I am afraid you will have to start again later on this spring.

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