Martha Washington geraniums , also known as majestic geraniums , are not " true " geraniums but instead are genus Pelargonium . Martha Washington geraniums are not worthy for growing outdoors in most affectionate climates , because they expect cool nighttime and comparatively cool daytime temperatures throughout the growing time of year in lodge to blossom . Often used as potted - plant life gifts , Martha Washingtons are technically one-year flowers , but you’re able to get them to re - bloom under the right precondition . These genus Pelargonium can grow up to 22 inches magniloquent and 24 inches all-embracing at maturity date , blooming throughout the spring and summertime .
Step 1
Pot your Martha Washington geraniums in containers that are about 18 to 24 inches in diam and filled with plenteous , all - use potting soil . Ensure that the container have drain holes in the bottom .
Step 2
localise the Regal geraniums in full to fond sunlight , such as in a gay , south - facing window . Keep air temperature between 60 and 65 degrees F during the day and around 50 to 55 level at night .
Step 3
irrigate your Martha Washington geranium once or twice each week when the top 1 or 2 in of potting grease feel dry to the touch .
Step 4
Feed your geraniums a balanced liquid peak fertilizer once each month during the springiness and summertime . Apply the fertiliser according to the focussing on the label when you ’re watering the plant .
Step 5
nobble off the evanesce blooms to encourage new flower to emerge . Snip the spent flower off with sharp scissors or hit them with your finger .
Tip
you could get your Martha Washington geraniums to blossom again the play along spring by cut them back to half their size in the fall and keep back them in bright light during the winter . Water the plants thinly once or doubly each month and do n’t fertilize it throughout the winter .
Warning
Do n’t over - water your Martha Washington geraniums , specially during the winter month if you want them to re - bloom . Allow the soil to dry out slimly between watering sessions and ensure that the water system drains freely from the container ' drain holes .
