Geraniums need full sun or very strong light. They tolerate a wide range of temperatures. Keep them a little on the dry side, especially when not in bloom. They tolerate average humidity. Fertilize them monthly.
Geraniums can bloom for months.
Allow them to rest in the winter. Gardenia blooms best with full sun or very strong light. Avoid the direct afternoon sun in summer. Feed them monthly with an acid fertilizer. Gardenias never bloom profusely, but can bloom off and on for months.