Although commonly known as pot marigold,calendula is different from the common marigold (Tagetesspp.).
It is, however, part of the Asteraceae family, along withdaisiesandchrysanthemums,and has a daisy-like appearance.
Calendula blooms from late fall through spring in mild climates and from spring to fall in colder regions.
The Spruce / Kara Riley
The bright blooms are a favorite of butterflies.
Companion vegetable plants to calendula includeBrussels sprouts,carrots,potatoes,pumpkins, andtomatoes.
Flowering plants such assalvia,lavender,geranium,aster,roses, andmumsalso pair well with calendula.
The Spruce / Kara Riley
Calendula Care
Calendula will tolerate poor conditions but grows best when planted in well-draining, nutrient-rich soil.
Water calendula frequently until the plant is established.
Once established, it doesn’t need much water or fertilizer to grow.
The Spruce / Kara Riley
If planted in fertile soil, it does not need to be fed at all.
The plant will flower better in the sun and performs best in cooler temperatures.
Soil
Like most members of the daisy family, calendula needs well-drained soil high in organic material.
The Spruce / Kara Riley
Dense, wet soils can cause the roots to rot.
Water
Water frequently until the plants are established.
Mature plants thrive on only occasional watering.
The Spruce / Margot Cavin
Avoid too much water with these plants, but keep the soil moist.
A hard freeze will kill the plants.
Three to four inches of mulch can protect the plants from cold temperatures.
The Spruce / Kara Riley
Fertilizer
Calendula does not need much in the way of feeding.
If planted in fertile garden soil, it requires no additional feeding at all.
Container plants require monthly feeding with a diluted, balanced fertilizer.
Types of Calendula
There are numerous cultivars ofCalendula officinalis.
The petals can also be used to create a rich yellow dye.
Collect calendula flowers in the late morning after the dew has dried.
Pick flowers when they are fully open.
Turn them occasionally until they are papery dry, then store them in canning jars until ready to use.
These are the seeds you want to collect for starting the calendula from seed in the following spring.
Most varieties grow well in containers, particularly shorter cultivars.
confirm the pot has plenty of drainage holes since this plant does not like to be soggy.
Potted specimens need regular feeding with a balanced fertilizer.
What Do Calendula’s Flowers Look and Smell Like?
Deadhead the old flowers to encourage reblooming.
Common Pests & Diseases
Calendula has no serious insect or disease problems.
The plant can sometimes be susceptible topowdery mildew, which can be remedied by good air circulation.
Slugsand snails may feed on the plants, especially when they are young.
Keep the ground clear of debris to minimize slug and snail damage.
Aphids and whiteflies can sometimes be a problem.
To control them, spray them with water or treat them withinsecticidal soap.
Calendula can be planted in the garden or pots, but it is entirely a matter of preference.
You should also avoid planting calendula near shady trees, as they need sunlight to thrive.
