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Cultivation

Irrigation — New Guinea Impatiens

Impatiens New Guinea Group

The irrigation regime for New Guinea impatiens requires maintaining moderate substrate moisture with mandatory pH control in the 5.8–6.2 range to prevent root rot and micronutrient toxicity.

In the reference 30 varieties crop New Guinea Impatiens, where this is mentioned in the description.

It is necessary to alternate the substrate state between moist and moderately moist, avoiding complete saturation, as overwatering promotes the development of Pythium and Rhizoctonia, as well as stem elongation. Complete drying of the substrate is unacceptable, as it leads to flower bud drop and leaf margin burn.

Under production conditions, it is important to consider plant age: seedlings are extremely sensitive to overwatering, while water requirements increase as the plants mature. To avoid Botrytis infection, water stagnation on the foliage should be minimized, and monitoring the irrigation water composition is essential to maintain a pH level of 5.8–6.2, which prevents leaf damage from excess iron and manganese.

General information about the subject — on the page Irrigation.

Sources8

Varieties of New Guinea Impatiens mentioned in the description

Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.

SAKIMP041

Active

Impatiens New Guinea Group · New Guinea Impatiens

SATO CHIHIRO|MINEMURA SHINJI

5 records

SAKIMP061

Active

Impatiens New Guinea Group · New Guinea Impatiens

SATO CHIHIRO

4 records

Fisnics White

Terminated

Impatiens New Guinea Group · New Guinea Impatiens

Syngenta Crop Protection AG

PL
3 records

Duepetfire

Protection expired

Impatiens New Guinea Group · New Guinea Impatiens

MARGA DÜMMEN

PL
3 records

Kiamuna

Active

Impatiens New Guinea Group · New Guinea Impatiens

Ludwig Kientzler

3 records

Kixant

Terminated

Impatiens New Guinea Group · New Guinea Impatiens

Ludwig Kientzler

PL
2 records

Kiyo

Active

Impatiens New Guinea Group · New Guinea Impatiens

Ludwig Kientzler

3 records

KLENI13133

Active

Impatiens New Guinea Group · New Guinea Impatiens

Nils Klemm^^^Katinka Wilde

2 records

Kiyodar

Active

Impatiens New Guinea Group · New Guinea Impatiens

Ludwig Kientzler

2 records

Duepetauber

Active

Impatiens New Guinea Group · New Guinea Impatiens

Tobias Dümmen

2 records

Kigula

Terminated

Impatiens New Guinea Group · New Guinea Impatiens

Ludwig Kientzler

PL
2 records

Apollon

Active

Impatiens New Guinea Group · New Guinea Impatiens

KIENTZLER| Ludwig Kientzler

DE IT
2 records

Balcelrost

Terminated

Impatiens New Guinea Group · New Guinea Impatiens

SCOTT C TREES

1 record

Doerte

Terminated

Impatiens New Guinea Group · New Guinea Impatiens

BULL NORBERT| Norbert Bull

DE
1 record

Duepetal

Active

Impatiens New Guinea Group · New Guinea Impatiens

MARGA DÜMMEN

1 record

Veronika

Terminated

Impatiens New Guinea Group · New Guinea Impatiens

BULL NORBERT| Norbert Bull

DE
1 record

Duepetorstar

Terminated

Impatiens New Guinea Group · New Guinea Impatiens

MARGA DÜMMEN

1 record

DUEMAGOR

Terminated

Impatiens New Guinea Group · New Guinea Impatiens

Tobias Dümmen

1 record

DUEMAGPIN

Terminated

Impatiens New Guinea Group · New Guinea Impatiens

Tobias Dümmen

1 record

Kipaqui

Terminated

Impatiens New Guinea Group · New Guinea Impatiens

Ludwig Kientzler

1 record

Ovation Salmon Pink

Terminated

Impatiens New Guinea Group · New Guinea Impatiens

DREWLOW LYNDON

1 record

Celebrette Peach

Terminated

Impatiens New Guinea Group · New Guinea Impatiens

SCOTT C TREES

1 record