Ideal temperatures are 65 to 70 degrees during the day and 60 to 65 degrees at night. Geraniums prefer to be potbound. Flowering is best in good light. Odema will be a problem in winter. Too much shade and nitrogen causes lush growth but few flowers.
Propagation is by stem tip cuttings.
This information is for educational purposes only. References to commercial products or trade names does not imply endorsement by MSU Extension or bias against those not mentioned. This information becomes public property upon publication and may be printed verbatim with credit to MSU Extension. Reprinting cannot be used to endorse or advertise a commercial product or company. Please read our disclaimer for important information about using our site.