planting New Guinea Impatiens seed

Question

How do I plant New Guinea Impatiens seed? Do they need light to germinate? Or do they need darkness? How deep should they be planted? I want to start them in my greenhouse.

Answer 1

Sow seeds in lighting planting medium.
Temperatures between 70 and 75 degrees F.
No cover, as light aides in germination.

https://www.gardeningknowhow.com/ornamental/flowers/impatiens/new-guinea-impatiens.htm