Last edited on 2 Nov 2026. View history

Orange Calendula

Calendula officinalis

A variety of calendula

How to sow orange calendula: Direct seed outdoors after last frost. Thin seedlings to 40cm.

Sun requirement for orange calendula: Plant in Full Sun

A New Zealand heritage orange-flowered calendula, an annual about 40 cm tall. A good vegetable companion that gives strong colour through winter and early spring, alongside snapdragons, alyssum, violas, pansies and heartsease. Sow into trays in spring or autumn, prick out at 2.5 cm diagonal spacing and transplant at 25 cm diagonal spacing.

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Orange calendula facts

Lifespan

Annual living and reproducing in a single year or less

Plant orange calendulas with

zucchini zucchini

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Ecological requirements

Data from the FAO EcoCrop database for Calendula officinalis L.

Family / Taxonomy Magnoliopsida
Asteridae
Asterales
Compositae
Optimal temperature 16 - 26 °C
Absolute temperature 8 - 30 °C
Optimal rainfall 500 - 800 mm/year
Absolute rainfall 300 - 2500 mm/year
Optimal soil pH 5.5 - 7.0
Absolute soil pH 4.5 - 8.3
Crop cycle 120 - 180 days
Life form herb
Life span annual, biennial
Habit erect
Optimal soil depth medium (50-150 cm)
Optimal soil texture medium, light
Optimal soil fertility moderate
Optimal soil drainage well (dry spells)
Optimal soil salinity low (<4 dS/m)
Photoperiod long day (>14 hours)
Optimal light very bright

Licensed under CC-BY-4.0 .

Food and Agriculture Organization of the United Nations (2025) ECOCROP, the crop ecological requirements database. Version 1. https://data.apps.fao.org/catalog/dataset/ecocrop. Accessed through the CGIAR Climate Action Data Hub, https://cgiar-climate-data-hub.github.io/catalog/ecocrop_1/.

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