Marigolds Plant Info

  • Herbaceous perennials
  • Hardiness: USDA zones 2 to 11
  • Full Grown Size: Up to 4 feet tall
  • Bloom Time: Late spring to early fall
  • Maintenance: Regular watering during dry spells, occasional fertilizing during the growing season, deadheading to prolong blooming, pruning to shape the plants, and mulching to conserve moisture and prevent weeds

Marigolds are one of the most popular and easy-to-grow flowers that continue to be cultivated for their bright colors, fragrant foliage, and medicinal properties. The plants belong to the aster family (Asteraceae) and have daisy-like flowers with many petals. You can grow them both indoors and outdoors, as long as they receive enough sunlight and water. They’re also known to repel pests and attract pollinators, making them great companion plants for vegetables and herbs.

Tagetes
African marigold
French marigold
Mexican marigold
American marigold
Aztec marigold
Signet marigold
Pot marigold
Calendula
African marigold
French marigold
Mexican marigold
Signet marigold
Pot marigold
Pale yellow, deep orange, bright red, dark maroon, pure white, or creamy ivory flowers

Water

Marigolds can withstand short periods of drought, but will grow better if watered regularly. Water them deeply and infrequently, but avoid overhead watering to prevent fungal diseases and flower damage. Hydrate more often in hot and dry weather, and less often in cool and rainy weather. When growing indoors, water when the top inch of the soil feels dry to the touch.

Sunlight

Marigolds need full sun to produce the most flowers and the healthiest plants. They should receive at least 6 hours of direct sunlight per day. If you're growing the plant indoors, place it near a window that receives direct or filtered sun for most of the day.

Soil

As long as the growing medium is well-drained and not too acidic, marigolds can thrive in any type of soil.

Fertilizer

Marigolds do not need much fertilizer to grow well. In fact, over-fertilizing them can result in lush foliage but fewer flowers. A balanced fertilizer can be applied once or twice during the growing season. Alternatively, mix a slow-release fertilizer into the soil at planting time.

Pruning

Pinch off the tips of the stems when they are young to encourage branching and bushiness. Remove faded flowers to prolong blooming and prevent seed formation. Also, remove any diseased or damaged parts to prevent the spread of infection and pests.

Propagation

You can propagate by seed or cutting.

Thrives in

Sunny locations with well-drained soil

Toxicity

Not toxic to humans or pets

Pests & Diseases

Marigolds are generally resistant to most pests and diseases, but they can be affected by:
Spider mites
Aphids
Whiteflies
Nematodes
Powdery mildew
Botrytis

Landscaping Ideas

Borders
Containers
Companion plants

Last Updated: September 4, 2023

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Author

Nonkululeko
Nonkululeko
I'm an enthusiastic gardener. I learned the art of growing my own food using sustainable gardening techniques from my father, which I still find effective for healthy plant growth. Gardening has become one of my best hobbies ever since I realized its benefits beyond growing my own food. Through experimenting and connecting with nature, I've found gardening to be a therapeutic and relaxing practice.

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