A: New Guinea impatiens can be grown indoors during the winter but leggy growth is a response to lower light levels indoors. Change ), Great Landscaping Ideas For Small Gardens, 5 Landscaping Ideas For Transforming Your Flat Front Yard. Allow the pod to grow and mature within the collection baggie. Once roots have formed, you can transplant them to a pot with a soilless potting mix. Another way to save New Guinea impatiens for the next year is to take cuttings from the plants in late summer. Impatiens walleriana: the coolest flowering plant ever! Keep the humidity level high yet maintain air circulation by placing the pot in a plastic bag left open at the top or other similar method. /*