AnnualsDiscover the right annual plants for your garden.
Rockapulco ® Coral Reef dual impatiens . picture by Proven Winners .
For years , impatienswere my go - to yearly for the spectre garden because they bloom like delirious and come in a variety of coloring material . And then one summertime not so long ago , the blooming stopped — they had become victims of downy mould .
Many nursery were draw to stop carryingImpatiens wallerianato prevent the spread of the disease , and move to the more resilient New Guinea impatiens . The estimable news is , these easy - to - grow shade annual are back , thanks to new loan-blend bred to fend off downy mildew . You ’ll also detect them in more heyday and foliage colouring than ever before .
On this pageboy : Basics|Types|Growing Tips|Care|Impatiens Pictures|Garden Uses|What about Impatiens Downy Mildew ?
BASICS
Botanical name:
Impatiensspp . ( describing the “ impatient " nature of the seed seedcase , which burst receptive when ripe to effectively spread out their substance ) .
Common names:
Impatiens , Touch - me - not flora , engaged Lizzie , patient Lucy , sultana
Annual or perennial?
A stamp herbaceous perennial in hardiness zone 10 - 11 ; develop as an yearbook in most region of the res publica .
Bloom period:
Late spring until the first frost .
Mature height:
Anywhere from 8 to 12 inch grandiloquent for dwarf forms , to as tall as 3 feet for larger cultivars .
Sun or shade?
Impatiens wallerianavarieties prefer igniter to medium shade ; New Guinea impatiens will support more sunlight .
TYPES
GROWING TIPS
Container combining feature ( top to bottom ): Toucan ® Scarlet canna lily , ColorBlaze ® Wicked Hot ™ flame nettle , red-hot ® Goldengate ™ lantana ( left ) , and SunPatiens ® Compact Orange impatiens ( correct ) . Photo by Proven Winners .
When to plant:
Set out transplants in early leap or sow seed indoors 8 to 10 week before your last frost date . They are very sensitive to insensate temperature , so be sure the menace of frost has passed and the grease has warmed up before planting impatiens in the ground .
Where to plant:
In fertile , well - draining soil enrich with organic issue . PlantI. wallerianain light to medium specter , keeping them out of unmediated sun . New Guinea impatiens will tolerate more Dominicus if you keep their root moist .
Plant spacing:
nigher spacing will encourage taller growth , while more length between plants encourage them to spread out out and fill in the gap . Plant further apart if used as a ground natural covering .
Planting in containers:
apply a universal - determination , well - enfeeble potting ground ; one with a slow - release fertilizer will keep your plants well get them off to a honorable start . If flux impatiens with other annuals or perennial , select variety with the same picture and lacrimation essential .
IMPATIENS CARE
Watering:
Impatiens are not drought tolerant , so they ask to be watered on a regular basis during dry spells to keep the soil systematically moist and preclude the plants from wilting . To aid retain moisture , amend the stain with organic matter and apply a level of mulch . If planted in muckle , they may need to be water daily during raging , dry weather .
Fertilizing:
Apply compost or aslow - release granular fertilizerat planting time . Container - grow plant may need more frequent eating with a liquid fertiliser .
Pruning:
Although pruning is unnecessary , you could abstract plants back if they become tall and tall-growing to encourage bushier growth . Your flora will quickly respond with a new flush of blooming . flower are self - cleaning , sparing you the chore of deadheading .
Pest and diseases:
Few serious dirt ball or pesterer problems bother impatiens , but your plant can still yield to downy mildew if you are not growing a disease - resistive sort . See below for more information on puberulent mildew .
IMPATIENS PICTURES
Although the threat of downy mould has abated over the last couple of long time , it ’s still best to seek out newer varieties of impatiens that are mildew - tolerant , like those featured here :
Photo : Proven success
Rockapulco ® Coral Reef — Buy now from Proven WinnersImpatiens walleriana
Zones:
10 - 11 , otherwise acquire as an annual
Height:
10 to 20 inches marvelous
Spread:
12 to 24 inch broad
Exposure:
Partial to full shade
Bring the color of the tropics to your shade garden with this double impatiens variety . integrate with Lemon Coral sedum for a bold contrast .
Rockapulco ® Tropical Shades — Buy now from Proven WinnersImpatiens walleriana
Brighten shady spots with masses of orange - pink efflorescence that look like lilliputian rosebuds .
See more from theRockapulco ® seriesof impatiens .
Rockapulco ® Wisteria — Buy now from Proven WinnersImpatiens walleriana
This beautiful bicolor double impatiens add a touch of elegance to shady baskets , container , or windowpane box . Keep dirt moist when planted in container .
SunPatiens ® Compact Tropical Rose — Buy now from Proven WinnersImpatiensxhybrida
16 to 30 in
14 to 20 inch
fond shade to full sun
Loves sun , warmth , and humidity , but also does n’t listen a minute of shade , permit you to grow it almost anywhere . Blooms are nearly 3 inch across , but the variegated leafage is just as eye - catching .
See more from theSunPatiens ® seriesof impatiens .
SunPatiens ® Compact White — Buy now from Proven WinnersImpatiensxhybrida
Another robust SunPatiens variety perfect for sunny spots or those with a bit of shade as well . Numerous white-hot flower blossom from bound until the first frost , atop blue greenish leafage .
exposure by Ball Horticultural .
Beacon ™ Violet ShadesImpatiens walleriana
10 to 12 inches
12 to 15 inches
Adaptable to sun or shade
Highly insubordinate to downy mold , plants are more vigorous and sun broad than traditionalI. walleriana . Available in eight coloration options .
pic courtesy Syngenta Flowers .
Imara ™ XDR Orange StarI. walleriana
Height/Spread:
Shade to partial sun
Imara ™ XDR ( extra disease resistant ) is also highly resistant to downy mold . Available in seven gloss options .
Bounce ™ Pink FlameImpatiens’Balboufink '
Not only resists puberulent mildew , but also has the ability to " bounce " back if wilted in red-hot weather . spread habit ideal for usance in hang baskets , borders , and as a ground cover .
GARDEN USES
With their quick growing habit and abundant bloom production , impatiens are great choice for your garden . Here are a few ways to use them :
WHAT ABOUT DOWNY MILDEW?
Impatiens downy mold . Photo Courtesy of Kelly Ivors / University of Wisconsin .
What to look for:
The tell - tale signs of contagion include yellow leaves , wilting , and white spores on the underside of the leaves .
How to prevent downy mildew:
The best preventive measures include keeping the leave dry when watering and providing enough air circulation between plant . If you do rule impatiens downy mildew , it ’s almost impossible to get free of , and it is undecomposed to bump off and qualify of the affected plants .
To prevent reinfection , do n’t plant young impatiens in the same garden bed . While the new plants may not have the disease ( even type engender to be repellent are not completely resistant ) , they could still shine dupe if plant where spores still lallygag in the soil .
If you have n’t grown them for a few class or you contrive to put them in container , there is less to occupy about . Or , plant New Guinea impatiens rather , which are naturally mildew - insubordinate . Read downy mildew and other alternatives to institute .
