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Plant care

Bon Bon Mix Pot Marigold (Pot Marigold) care

Calendula officinalis

Also called Pot Marigold, Common Marigold, English Marigold, Ruddles.

RHS H3USDA 2-11Mildly toxic to petsIndoor 25-30 cm tall

Watering rhythm

5-7days

When the top 2-3 cm of soil is dry, roughly every 5-7 days

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Light

Direct sun (at least 4-6 hours)

Soil

Well-drained, moderately fertile garden soil or loam-based compost

Humidity

40-60%

Temp

7-24°C

Pet safety

Mildly toxic to pets

Mature size

25-30 cm tall

Care at a glance

Light

Aim for at least 4-6 hours of direct sun on the leaves. Full sun of at least 6 hours daily produces the most flower-laden, compact plants. Calendula will bloom in partial shade but plants become taller, floppier, and somewhat less floriferous. If your only bright window faces south, that's perfect for bon bon mix pot marigold — same window any aroid would fry on.

Watering

Watering bon bon mix pot marigold: when the top 2-3 cm of soil is dry, roughly every 5-7 days. The number that matters isn't the day of the week — it's how dry the top 2-3 cm of the pot feels. A finger in the soil tells you more than a watering app. After every watering, tip the saucer. Water at soil level to avoid encouraging powdery mildew on foliage. Once established, Calendula is moderately drought tolerant but deadheads and reflowers more vigorously with regular moisture. Reduce watering in cool, wet spells.

Soil and pot

Bon Bon Mix Pot Marigold grows best in well-drained, moderately fertile garden soil or loam-based compost. Thrives in average to poor soils — over-rich compost produces lots of foliage at the expense of flowers. A neutral to slightly alkaline pH of 6.5-7.5 suits it well. Good drainage is essential to avoid crown rot. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.

Humidity and temperature

Bon Bon Mix Pot Marigold sits happiest at around 40-60% humidity and 7-24°C (45-75°F). Prefers drier air; high humidity encourages powdery mildew, a common issue in summer. Improved air circulation by thinning crowded plants reduces fungal pressure. If you keep the room above 7 year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.

Fertilising

Feed bon bon mix pot marigold sparingly. A single application of balanced granular fertiliser at sowing or transplanting is usually sufficient in average soils. In very poor soils a monthly dilute liquid feed (NPK balanced) keeps plants productive. Avoid high-nitrogen feeds. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.

Common problems

Below are the issues we see most often on bon bon mix pot marigold in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Powdery mildew — White powdery coating on leaves in warm, humid or dry conditions; choose resistant varieties, improve air circulation, and treat early with a bicarbonate-based spray.
  • Aphids — Blackfly and greenfly cluster on stems and buds; a sharp water jet or insecticidal soap spray resolves most infestations.
  • Slugs and snails — Young seedlings are particularly vulnerable; protect with iron phosphate pellets or copper barriers.
  • Failing to flower in summer heat — Calendula is cool-season; plants slow or cease flowering when temperatures exceed 27°C. Resume sowing in late summer for an autumn display.
  • Botrytis in wet weather — Remove dead flowers promptly and avoid overhead irrigation to reduce grey mould risk in prolonged wet periods.

Companion plants

Bon Bon Mix Pot Marigold pairs well with Lobelia, Alyssum, Nasturtium, and Nemesia. These are species with similar light and water needs, so you can group them in the same room or on the same shelf and water as a batch.

Propagation

Direct sow outdoors from March (or September for overwintering) by pressing seeds 5 mm deep into soil; thin to 20-25 cm when large enough. Can also be started indoors 4-6 weeks before last frost at 15-20°C — seeds germinate in 7-14 days. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.

Toxicity to pets

Bon Bon Mix Pot Marigold is mildly toxic to pets. The ASPCA lists Calendula officinalis as toxic to dogs and cats, with saponins, resin, and essential oils potentially causing mild gastrointestinal upset and skin irritation on contact. Ingestion of large amounts should prompt veterinary advice. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).

Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.

Bon Bon Mix Pot Marigold care — frequently asked questions

What is the common name for Calendula officinalis?

Calendula officinalis is most commonly called Bon Bon Mix Pot Marigold, but it is also known as Pot Marigold, Common Marigold, English Marigold, Ruddles. The names refer to the same species, so care instructions for Bon Bon Mix Pot Marigold apply identically to anything sold as Pot Marigold.

How much light does bon bon mix pot marigold need?

Bon Bon Mix Pot Marigold grows best in direct sun (at least 4-6 hours). Full sun of at least 6 hours daily produces the most flower-laden, compact plants. Calendula will bloom in partial shade but plants become taller, floppier, and somewhat less floriferous.

How often should I water bon bon mix pot marigold?

Water bon bon mix pot marigold when the top 2-3 cm of soil is dry, roughly every 5-7 days. Water at soil level to avoid encouraging powdery mildew on foliage. Once established, Calendula is moderately drought tolerant but deadheads and reflowers more vigorously with regular moisture. Reduce watering in cool, wet spells. The finger-test (or lifting the pot to feel its weight) beats a fixed weekly calendar because pot size, light, and season all change how fast the soil dries.

Is bon bon mix pot marigold toxic to cats and dogs?

Bon Bon Mix Pot Marigold is mildly toxic to pets. The ASPCA lists Calendula officinalis as toxic to dogs and cats, with saponins, resin, and essential oils potentially causing mild gastrointestinal upset and skin irritation on contact. Ingestion of large amounts should prompt veterinary advice.

What USDA hardiness zone does bon bon mix pot marigold grow in?

Bon Bon Mix Pot Marigold is rated for USDA zone 2-11 (cool-season annual, tolerates light frost) and RHS hardiness H3. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Bon Bon Mix Pot Marigold deep-dive guides

Every aspect of bon bon mix pot marigold care, each with its own calibrated guide:

Featured in these plant shortlists

Bon Bon Mix Pot Marigold qualifies for 5 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Bon Bon Mix Pot Marigold is also known as Pot Marigold, Common Marigold, English Marigold, and Ruddles.