Seeds are coming up. What subsequent? 5 days ago I put Zinnia and Sweet Pea seeds in a...

5 days ago I put Zinnia and Sweet Pea seeds in a flat tray surrounded by my green house now they have sprouted. What do I do immediately?
Blue birds?
When they have 2 full true leaves you can transplant them to your garden.
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Keep them watered a little not to much . When they win about three inches tall lift them up and plant them in your yard. They should grow basically fine so enjoy them. Good Luck

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When they hold 2 sets of mature leaves transplant to permanent location. Both prefer full sun, stocky feeders, peas will bloom and fruit once they start climbing. Zinia will send up a terminal bud first, let it bloom or not, do remove it to instil lateral branching.

Beautiful cut flowers, long lasting inside in hose down. Both will produce harvestable seed for next year.

What do you do? Enjoy the good looks!
When contained by spring is a appropriate time...
Answers:    Prepare where you are going to put them. In pots or bed in garden? When they gain to about 1" tall and you enjoy a lot in one bit of the flat you may consider thinning a little. That way when they grasp 3" high you can transplant them easily.