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Impatiens New Guinea Divine Mix

Impatiens hawkeri 'Divine Mix'

a bunch of pink and white flowers with green leaves

These heat-tolerant beauties solved the shade gardener's dilemma with their ability to bloom prolifically in both sun and shade while resisting the downy mildew that devastated traditional impatiens. Their large, vibrant flowers and glossy bronze-green foliage create stunning displays all season long.

Harvest

90-100d

Days to harvest

📅

Sun

Full sun to partial shade

☀️

Zones

10–12

USDA hardiness

🗺️

Height

6-24 inches

📏

Planting Timeline

Zone:

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Start Indoors

Transplant

Direct Sow

Start Indoors

Transplant

Direct Sow

Showing dates for Impatiens New Guinea Divine Mix in USDA Zone 7

All Zone 7 flower →

Zone Map

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Impatiens New Guinea Divine Mix · Zones 10–12

What grows well in Zone 7? →

Growing Details

Difficulty

Moderate

Spacing10-12 inches

SoilRich, well-drained, organic matter

pH5.8-6.2

WaterConsistent moisture, 1-1.5 inches per week

SeasonWarm season annual

FlavorNot edible

ColorMix of pink, red, coral, white, and bicolors

Size2-3 inches across

Zone-by-Zone Planting Calendar

Zone	Indoor Start	Transplant	Direct Sow	Harvest
Zone 3	April – May	June – July	June – August	—
Zone 4	March – April	June – June	June – July	—
Zone 5	March – April	May – June	May – July	—
Zone 6	March – April	May – June	May – July	—
Zone 7	February – March	April – May	April – June	—
Zone 8	February – March	April – May	April – June	—
Zone 9	January – February	March – April	March – May	—
Zone 10	January – January	February – March	February – April	—
Zone 1	May – June	July – August	July – September	—
Zone 2	April – May	June – July	June – August	—
Zone 11	January – January	January – February	January – March	—
Zone 12	January – January	January – February	January – March	—
Zone 13	January – January	January – February	January – March	—

Complete Growing Guide

Light: Dappled Sunlight (Shade through upper canopy all day), Deep shade (Less than 2 hours to no direct sunlight), Full sun (6 or more hours of direct sunlight a day), Partial Shade (Direct sunlight only part of the day, 2-6 hours). Soil: High Organic Matter, Loam (Silt). Drainage: Good Drainage, Moist. Height: 0 ft. 6 in. - 2 ft. 0 in.. Spread: 1 ft. 6 in. - 3 ft. 0 in.. Spacing: 12 inches-3 feet. Growth rate: Medium. Maintenance: Medium.

Harvesting

Fruits are explosive capsules rolling suddenly inward, and have a ribbed, rubbery-succulent texture.

Type: Capsule.

History & Origin

Origin: Solomon Island, New Guinea, and New Ireland

Advantages

+Attracts: Butterflies

Companion Plants

The beneficials listed here — Begonia, Coleus, Caladium, Torenia, Browallia, Fuchsia, and Sweet Potato Vine — share one important trait with New Guinea Impatiens: they want the same conditions. Consistent moisture, well-drained soil at pH 5.8-6.2, and somewhere in the 4-6 hour light range. That alignment matters more than any pest-confusion dynamic. Lobelia works especially well at the edge of a container or bed, staying short enough (6-9 inches) not to crowd for light while filling the gaps that would otherwise need weeding every week.

Marigolds show up on the harmful list, and it's mostly a cultural mismatch. They're built for dry, sandy, full-sun conditions — the opposite of what keeps New Guinea Impatiens blooming through summer heat. Put them together and you'll be watering to one plant's detriment or the other's. Walnut and Eucalyptus are a different problem entirely. Both release allelopathic compounds — juglone from walnut roots, volatile terpenes from eucalyptus foliage and root exudates — that can suppress or outright kill sensitive ornamentals growing nearby. New Guinea Impatiens are sensitive enough that a container losing plants for no visible reason is worth tracing back to whether the potting mix or nearby soil has any history near a black walnut (Juglans nigra). NC State Extension flags juglone sensitivity as a real issue for many bedding plants, and impatiens sit firmly in that category.

Plant Together

Begonia

Similar shade and moisture requirements, complementary colors and textures

Coleus

Thrives in same partial shade conditions, provides contrasting foliage

Caladium

Shares preference for warm, humid conditions and filtered light

Torenia

Compatible growing conditions and bloom times, attracts beneficial pollinators

Browallia

Similar water and shade requirements, complementary blue flowers

Fuchsia

Both prefer partial shade and consistent moisture, attract hummingbirds

Sweet Potato Vine

Provides ground cover while impatiens grow upright, similar care needs

Lobelia

Compatible moisture needs, trailing habit complements upright impatiens

Keep Apart

Marigold

Allelopathic compounds can inhibit impatiens growth and flowering

Walnut Tree

Releases juglone which is toxic to impatiens and causes wilting

Eucalyptus

Produces allelopathic oils that suppress growth of nearby flowering plants

Pests & Disease Resistance

Resistance

Resistant to downy mildew, good general disease resistance

Common Pests

Aphids, spider mites, thrips

Diseases

Root rot if overwatered, bacterial wilt

Troubleshooting Impatiens New Guinea Divine Mix

What you'll see, why it happens, and what to do about it.

Leaves stippled silver or bronze, with fine webbing on the undersides, especially in hot dry spells

Likely Causes

Two-spotted spider mite (Tetranychus urticae) — thrives when temps exceed 85°F and humidity drops
Drought stress making the plant more susceptible to mite colonization

What to Do

1.Blast the undersides of leaves with a strong stream of water every 2-3 days — mites hate moisture and it knocks populations down fast
2.Apply insecticidal soap or neem oil in the evening when temps are below 90°F; repeat every 5-7 days for 3 applications
3.Keep soil consistently moist — stressed plants get hit harder and recover slower

Plant wilts suddenly and doesn't recover overnight, even when soil is wet; stem base looks dark or mushy

Likely Causes

Root rot from Pythium or Phytophthora spp. — almost always triggered by waterlogged soil or poor drainage
Bacterial wilt (Ralstonia solanacearum) — less common but possible if soil drainage is fine and the collapse spread from nearby infected plants

What to Do

1.Pull the plant and check the roots — if they're brown and slimy, it's rot; toss the plant in the trash, not the compost
2.Don't replant impatiens in that same spot this season; improve drainage by amending with perlite or raising the bed 4-6 inches
3.Water in the morning so foliage and soil surface dry out before evening — avoid letting pots sit in saucers of standing water

New growth distorted or cupped, tiny insects visible on stems and buds, sometimes with sticky residue on leaves

Likely Causes

Aphids (commonly Myzus persicae or Aphis gossypii) clustering on soft new growth
Thrips (Frankliniella occidentalis) rasping at buds and young leaves — harder to see, but distortion and silvery streaking on petals are the giveaway

What to Do

1.For aphids: knock them off with a water spray or apply insecticidal soap directly to the colonies; check again in 4-5 days
2.For thrips: remove and bag any heavily infested buds, then apply spinosad-based spray — it's more effective against thrips than soap
3.Avoid over-fertilizing with high-nitrogen feeds, which produces the soft, lush growth both pests prefer

Frequently Asked Questions

How long do New Guinea impatiens Divine Mix take to bloom from seed?▼

Divine Mix typically takes 90-100 days from seeding to first flowers. Since you'll start seeds indoors 12-14 weeks before last frost, expect blooms to begin about 4-6 weeks after transplanting outdoors, usually late May to early June in most climates. The long growing period is necessary for these robust plants to develop their full flowering potential.

Can you grow New Guinea impatiens Divine Mix in full sun?▼

Yes, Divine Mix thrives in full sun, unlike traditional impatiens. In zones 3-6, full sun is actually preferred and produces the most blooms. In hot southern climates (zones 8-11), morning sun with afternoon shade prevents heat stress, but these plants can handle much more sun exposure than regular impatiens without wilting or declining.

Are New Guinea impatiens Divine Mix good for containers?▼

Excellent for containers! Use pots at least 12 inches wide with drainage holes, and plant one per container for best results. Their upright growth habit and continuous blooming make them perfect for patio containers, window boxes, and hanging baskets. Container growing also allows you to move plants to optimal light conditions and provides better drainage control.

What's the difference between New Guinea impatiens and regular impatiens?▼

New Guinea impatiens like Divine Mix have larger flowers, thicker stems, bronze-tinted foliage, and superior disease resistance, especially to downy mildew. They tolerate full sun and heat much better than traditional impatiens but require a longer growing season and are more expensive. Regular impatiens prefer shade and have smaller, more delicate flowers.

Do New Guinea impatiens Divine Mix come back every year?▼

No, they're annuals in most climates and won't survive frost. In zones 10-11, they may overwinter outdoors, and in zone 9 with protection. You can take cuttings before frost and grow them indoors as houseplants, then replant outside after danger of frost passes, but most gardeners start fresh each year.

Why are my New Guinea impatiens Divine Mix not blooming?▼

Most commonly caused by insufficient light, over-fertilizing with nitrogen, or inconsistent watering. These plants need at least 4-6 hours of direct sunlight daily for heavy blooming. Reduce nitrogen fertilizer if you see lots of leaves but few flowers, and ensure soil stays consistently moist but not waterlogged. Cool temperatures below 60°F also reduce flowering.