Getting it to bloom

Why won't my Field marigold bloom? (and how to make it flower)

Also called field marigold, wild marigold, corn marigold (Calendula arvensis).

More about field marigold

About Field marigold

Calendula arvensis · also called field marigold, wild marigold · flowering

A compact, free-flowering cool-season annual native to the Mediterranean, producing masses of small yellow to orange daisy-like flowers from spring through autumn. Highly resilient in poor, well-drained soils and full sun, it self-seeds prolifically and is valued both ornamentally and as a companion plant for attracting beneficial insects.

Plant type: flowering

Watch for — Aphids: Heavy infestations on soft shoot tips in spring. Knock off with water jets or apply insecticidal soap. The flowers attract hoverflies, which are effective natural predators — avoid pesticides that harm beneficial insects.

The reasons field marigold isn't blooming

Almost every non-blooming field marigold traces back to one of these, roughly in order of how common they are:

Too little sun — most of these need full sun (or very bright light) to flower well; shade gives leaves, not blooms.
Too much nitrogen feed, driving lush foliage at the expense of flowers (very common with general or lawn feeds).
The plant has not been deadheaded, so it stops flowering once it sets seed.
Irregular watering — drought or waterlogging at the budding stage makes buds abort.
It is still too young or was checked by a transplant and is rebuilding before flowering.

Feeding field marigold a high-nitrogen general feed and growing it in too little sun — you get a big leafy plant and almost no flowers.

The fix — how to get field marigold to flower

Maximise sun. Give field marigold the sunniest spot you have — for most bedding and fruiting plants, more direct light directly means more flowers.
Switch the feed. Move off high-nitrogen feeds and use a higher-potassium "bloom" or tomato-type feed as it comes into flower.
Deadhead regularly. Remove spent flowers often to keep it producing more rather than stopping to set seed.
Water consistently. Keep moisture even through budding and flowering — drought-then-flood swings make buds drop.

Light and feeding do most of the heavy lifting here. Dial in the spot with the light guide for field marigold and get the feeding right with the field marigold fertilising schedule — the wrong feed (too much nitrogen) is one of the most common silent reasons a healthy plant makes leaves instead of flowers.

Bloom season and what to expect

Field marigold flowers across its growing season (mostly summer) and, kept fed and deadheaded, can bloom for many weeks or right up to frost.

Post-bloom care so it flowers again

Deadhead, keep feeding lightly, and many will rebloom; collect seed from the best plants at the end of the season if you want to grow them again.

For everything else this plant needs day to day, see the full field marigold care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.

Field marigold blooming — frequently asked questions

Why won't my field marigold flower?

Field marigold blooms on the season's growth given enough sun, warmth and the right feed — there is no cold or photoperiod trick, just good growing conditions and a bloom-leaning feed. The most common reason it is not happening: Too little sun — most of these need full sun (or very bright light) to flower well; shade gives leaves, not blooms.

How do I make field marigold bloom?

Give field marigold the sunniest spot you have — for most bedding and fruiting plants, more direct light directly means more flowers. Move off high-nitrogen feeds and use a higher-potassium "bloom" or tomato-type feed as it comes into flower.

When does field marigold normally bloom?