Do Seeds Need Darkness to Germinate

Most seeds prefer darkness to thrive well; a selection of flora prefers the presence of solid light to help in germination. For Example Begonia, Petunia, Coleus are inhibited by light when germinating.

It is safe to say that different flowering species need different light conditions to activate favorable seed germination. Some of the seeds are:


They grow best in vegetable gardens. They bloom well in cooler conditions of spring and fall with low humidity.


Cosmos are short day plants that need 12 hours of darkness to produce flowers. Maintain a soil of 65 degree F.

Zinnias need darkness to germinate so if growing them indoors uses a black plastic cover if possible. Seeds will germinate in 4-8 days at 70-75 degree F at night.


Nemesia are dainty cup- shaped bright colored flowers that occur in 4 inch clusters on top of delicate stem leaves.


Primroses is a perennial herb that is covered with multi-cellular hairs and produces showy flowers.

Primula Sinensis

They are one of the oldest plants that need indirect sunlight and minimum temperatures of 60 degree F-75 degreeF.

Boston Ferns

Lucky Bamboo brings positivity wherever it is grown. It improves the flow of positive energy and brings prosperity to homes as well as offices.

Lucky Bamboo

It is a low light indoor plant that is easy to grow for newbie. They prefer moist air and humidity levels of 60-70 degree F.

Chinese Evergreen

Pothos are low light indoor plants, need bright indirect sunlight to grow. They need moderate light of 12-14 hours to grow and bloom.


Most seeds need darkness to thrive well and might be inhibited by the light of the sun.