Are New Guinea Impatiens Perennials? + 5 Tricks to Develop

Are New Guinea Impatiens Perennials? + 5 Tricks to Develop

Among the hyperlinks on this submit could also be affiliate hyperlinks.

Are New Guinea impatiens perennials? On this submit, I’ll reply that query, plus provide you with tips about how one can take care of and propagate your crops. New guineas are great crops to make use of each within the floor and as container crops (open air and indoors), and their colourful blooms are mainly infinite with excellent care! 



The flowers of New Guinea impatiens are available in varied colours together with white, purple, orange, pink, and varied shades of purple. 

Are New Guinea Impatiens Perennials?

Impatiens hawkeri, generally referred to as New Guinea impatiens, was found in Papua New Guinea and within the Solomon Islands. This tropical plant has since been hybridized extensively and there are a variety of lovely flower colours.

New Guinea impatiens are thought of tender perennial crops. With the intention to develop them open air year-round, you would need to be dwelling in USDA zone 10 or increased.

America has been divided into rising zones. To search out out your rising zone, try the USDA zone calculator. You may enter your zip code and discover out what USDA rising zone you reside in.


These crops cannot tolerate frost and can shortly go limp and die when frost comes. So should you stay in zones colder than zone 10, your impatiens will be handled as annual crops.

Should you stay in a local weather that has frost, wait till the hazard of frost has handed earlier than you plant. In truth, it’s best to wait till evening temperatures are persistently at the least within the 45-50°F vary, in any other case, they merely won’t develop.

Relying on the place you reside, this could possibly be anyplace from early spring to late spring. 

Should you plant them when it’s too chilly, you’ll stunt the crops, and probably even rot the crops out whether it is chilly and moist. 

Frost will kill your crops, however you possibly can all the time propagate them to develop indoors or to avoid wasting for the subsequent season.

Can You Maintain New Guinea Impatiens Over Winter?

Completely! Even should you stay in a chilly local weather, you possibly can simply propagate to make new crops earlier than the chilly climate comes. Then you possibly can develop them indoors in a sunny window and place them again open air when the climate is heat sufficient once more.

To propagate, merely observe these steps.

1. In late summer time or so (you’ll want time to get your crops established earlier than chilly climate comes), take some cuttings which can be perhaps 4 inches lengthy or so.

2. Take away the underside leaf or two of the slicing, and submerge the naked stems in a jar or vase. 

3. Place the container in a shady place outdoors, or on a brilliant windowsill indoors. Should you transfer it indoors, rinse off the slicing with a twig of water to knock off any pests.

4. Change the water incessantly (each couple days or so) to verify it stays clear. 

5. As soon as roots have shaped and are an inch lengthy or so, go forward and pot your cuttings up.

See the subsequent part for tips about rising circumstances that New Guinea Impatiens like. 


How Do You Get New Guinea Impatiens to Bloom Once more?


New Guinea impatiens, not like the widespread impatiens (Impatiens walleriana) which can be sometimes grown in shadier areas, really do nicely in full solar areas. New Guinea impatiens even have bigger flowers and bigger leaves. 

New Guinea hybrids can develop in full shade, however will do higher in a sunny spot that has at the least morning solar or afternoon solar. 

Vegetation which can be grown in at the least some direct daylight will develop and bloom greater than these grown in shade. If you’re rising these crops indoors, select your sunniest window.

Mild depth indoors is way lower than it’s open air, so the sunniest window that you’ve got can be finest, in any other case, your crops won’t be as full and can be a bit weaker. 

If you would like the last word in solar impatiens to your backyard, there’s a line known as SunPatiens which are literally a cross between New Guinea impatiens and wild impatiens. They do superbly in full solar, however simply guarantee that the soil doesn’t dry out!

Should you stay in a local weather that’s heat yr spherical and has intense solar, chances are you’ll need to give your New Guineas partial shade, significantly throughout mid-day when the solar is strongest. 



Impatiens require common watering to do their finest, significantly throughout sizzling, dry climate. In sizzling climate, they might even require watering each day open air, particularly in case you are rising impatiens in pots

If you’re rising them indoors, wait till the highest inch of the soil has dried out earlier than you water once more.


Should you’re rising your New Guinea impatiens in pots, I like to recommend including a slow-release fertilizer like Osmocote (hyperlink to Amazon) if you plant them in your pots. As you water, it would launch vitamins all through the rising season.

If you would like actually huge impatiens, I additionally wish to complement them with a water-soluble liquid fertilizer like Miracle Gro.

They’re heavy feeders so in case your crops are getting good mild however blooming is sparse, improve your fertilizing routine. You may even use a bloom booster fertilizer that gives much less nitrogen and extra phosphorus for blooming.  



New Guinea impatiens crops won’t tolerate freezing temperatures and can die if there’s frost. For finest outcomes, minimal evening time temperatures mustn’t go under 50°F (10°C) and daytime temperatures of 70-85°F (21-29°C) is good. 

Make sure to water repeatedly in highly regarded climate. 

Generally in the course of the hottest months of the yr, you might have fewer blooms, however extra profuse flowering will return when issues quiet down a bit.


Should you’re planting them within the floor, dig in loads of natural matter equivalent to compost and nicely rotted manure. 

A well-drained soil is essential to your crops whether or not you develop them within the floor or in a pot. At all times have drainage holes when rising these crops in pots and use a freely draining soil.

For outside containers, you may get away with utilizing potting mixes straight out of the bag, however indoors, I like to combine in some perlite into the combination to enhance drainage. They like a persistently moist soil, so by no means let the soil dry out utterly.

I hope you’ve loved this submit! Have you ever grown New Guinea impatiens? Remark under. I’d like to. hear!

Leave a Reply

Your email address will not be published. Required fields are marked *