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Variety traits

Heat tolerance of Calibrachoa

Calibrachoa Cerv.

The ability of Calibrachoa to maintain turgor and continue flowering at daytime temperatures of up to 35–38°C, attributed to the morphology of its small, waxy leaves.

In the reference 4 varieties crop Calibrachoa, where this is mentioned in the description.

The physiological adaptation of Calibrachoa to high temperatures is provided by morphological features: small leaves with a waxy coating that limit transpiration, and dense branching. The plant is capable of steady development at daytime temperatures of 27–35°C and can withstand short-term spikes up to 38°C, provided the root system is protected from overheating.

A key aspect of heat tolerance is resistance to 'heat delay' — a phenomenon where flowering is inhibited due to temperature stress. Varietal tolerance is evaluated by the plant's ability to maintain its ornamental value without signs of 'collapse', while the sensitivity of the shallow root system to water stress and substrate overheating remains the limiting factor.

General information about the subject — on the page Heat tolerance.

Sources5

Varieties of Calibrachoa 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.

Sunbelre

Active

Calibrachoa Cerv. · Calibrachoa

Yasuyuki Murakami

5 records

Balcabooni

Active

Calibrachoa Cerv. · Calibrachoa

Winslow Benjamin K. / Masor Laura L.

5 records

KLECA22915

Active

Calibrachoa Cerv. · Calibrachoa

Klemm+Sohn GmbH &Co.KG

5 records

JGCAL09404

Active

Calibrachoa Cerv. · Calibrachoa

Plant 21 LLC

6 records

Balcabrite

Active

Calibrachoa Cerv. · Calibrachoa

Ren Jianping

4 records

KLECA16017

Active

Calibrachoa Cerv. · Calibrachoa

NILS KLEMM|ANITA STOEVER

5 records

KLECA16316

Active

Calibrachoa Cerv. · Calibrachoa

NILS KLEMM|ANITA STOEVER

4 records

Sunbelkupapi

Terminated

Calibrachoa Cerv. · Calibrachoa

Yasuyuki Murakami

3 records

Sunbelsoil

Active

Calibrachoa Cerv. · Calibrachoa

Takeshi Kanaya

3 records

Balcaborim

Active

Calibrachoa Cerv. · Calibrachoa

Winslow Benjamin K. / Masor Laura L.

3 records

KLECA14263

Active

Calibrachoa Cerv. · Calibrachoa

NILS KLEMM|ANITA STOEVER

4 records

KLECA23A07

Application submitted

Calibrachoa Cerv. · Calibrachoa

Klemm+Sohn GmbH &Co.KG

3 records

Balumotink

Application submitted

Calibrachoa Cerv. · Calibrachoa

LAURA MASOR

2 records

Sunbelrichipi

Active

Calibrachoa Cerv. · Calibrachoa

Yasuyuki Murakami

2 records

Duealdublav

Active

Calibrachoa Cerv. · Calibrachoa

Tobias Dümmen

2 records

Duealpivu

Active

Calibrachoa Cerv. · Calibrachoa

Tobias Dümmen

2 records

KLECA18483

Active

Calibrachoa Cerv. · Calibrachoa

Klemm Nils / Stover Anita

2 records

KLECA18514

Active

Calibrachoa Cerv. · Calibrachoa

Klemm + Sohn GmbH & Co. KG^^^Nils Klemm^^^Anita Stöver

2 records

KLECA21566

Active

Calibrachoa Cerv. · Calibrachoa

Angelo Carrella

2 records

Sunbelnero

Terminated

Calibrachoa Cerv. · Calibrachoa

Takeshi Kanaya

1 record

KLECA18445

Terminated

Calibrachoa Cerv. · Calibrachoa

Klemm + Sohn GmbH & Co. KG^^^Nils Klemm^^^Anita Stöver

1 record