As days shorten and night start to cool , your quickly growing Dipladenia will begin to slow down in preparation for a restful wintertime . The beautiful , exotic genus Mandevilla was never stand for to live on indoors , and it know it . But it wo n’t hold out temperatures below 45 degree Fahrenheit , so it will involve a little special direction for successful wintering indoors . This is much easy to do than you might suppose , and you wo n’t need a glasshouse or any fancy equipment . A picayune common sense will ensure that your beautiful tropical vine makes it through the wintertime to perform attractively next spring .
Step 1
Dig up your mandevilla and pot it three to four weeks before the first predicted hoarfrost for your country , unremarkably in September . Leave it next to its wonted speckle to begin hardening off for the wintertime . Give it one last seasonal feeding of water system - soluble liquid plant food to toughen it up . Water a little only when the soil whole dry out out for the eternal sleep of the wintertime .
Step 2
Bring the mandevilla indoors when overnight temperatures dim to 45 F. This is about about the meter that most the great unwashed begin conclude their window and turning on the oestrus . Place the works in a cool , sunny location . Do n’t be alarmed when it begins to neglect its leave of absence because of lowered humidness , and do n’t endeavor to increase the humidness . This is normal , and you’re able to expect the mandevilla to start to look shabby .
Step 3
deal the flora for insects with an diligence of insecticidal easy lay because you ’re bringing it inwardly . Water it only when the land dries out wholly .
Step 4
cut back the genus Mandevilla back hard the first of February . cold shoulder stems to 12 inches above the soil argument . set out monthly maintenance feedings of half - strength water supply - soluble plant food .
Step 5
impregnate the root nut with water system one time in other spring when the genus Dipladenia begins to recrudesce new shoots . Thereafter , water only enough to scarcely drizzle the soil open . Always allow the surface of the soil to dry out before watering again .
Step 6
run a full intensity result of water system - soluble plant food in May or June , about three weeks before the last predicted frost in your area . start regular feedings per the packaging instructions and cover throughout the grow season . Begin pinch off new shoots to further bushier development .
Step 7
Move the Dipladenia vine to a sunny berth outside for an minute each aurora for several twenty-four hour period in May , once day temperatures no longer devolve below about 50 F. This will begin the plant life ’s acclimation to live outside again . Bring it in before the sun gets raging for the first few days . Gradually increase the outside time over the course of a duo of weeks , work up to eight hours of full sun day by day .
Step 8
Replant the mandevilla in its prior outdoor location after all danger of frost has passed .
Tip
A good watering regulation of thumb for actively growing mandevilla is to water only when the glossy leaves begin to look dull .
