Why the flowers of stock (matthiola) inflorescence dont open in greenhouse?

can the heat stress or excess water be the the reason of this problem?the plants are planted in soil. or:can the heat stress or excess water be the th

can the heat stress or excess water be the the reason of this problem?
the plants are planted in soil.

or:can the heat stress or excess water be the the reason of this problem?the plants are planted in soil.

Tags:plant,