Tagetes erecta Lemon Mum Seeds - Marigold
Tagetes erecta Lemon Mum Seeds - Marigold
Tagetes erecta Lemon Mum
African Marigold, Aztec Marigold, American Marigold
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Description
Tagetes erecta Lemon Mum is a particularly heavy blooming and cheerful variety of Marigold or African Marigold, whose large, lemon-yellow, pompom-like flowers brighten up the garden or terrace from summer until the first frosts. These very double inflorescences are as curly as the Chrysanthemums sold on All Saints' Day and stand out beautifully against its pretty olive green foliage. This vigorous variety combines well with brighter or softer-coloured blooms in window boxes, borders and flower beds.
Tagetes erecta, better known as Marigold or African Marigold, is a plant of the family Asteraceae, native to Mexico, Central America and Western South America. This species of tender perennial has given rise to many varieties and hybrids, including 'Lemon Mum', a recent variety bred by the English seed company Thompson & Morgan. Within a few months' time, this annual plant forms vigorous bushy clumps measuring 65-75 cm high and 40-45 cm wide. Its branched stems are covered with deeply cut, pinnate, dark olive green foliage, which carries a distinct, slightly acrid fragrance, which can even be considered as unpleasant. It is a remarkably generous and long-flowering bloomer : its yellow, slightly twisted flowers are grouped into very double, globular, slightly flattened pseudanthia that measure 8-10 cm in diameter. The centre of the inflorescences are coloured yellow-green.
Marigolds are excellent summer bed plants. Although some may dislike them for their garish colours, their pungent scent or their excessively neat appearance, their truly accommodating nature and their incredible cheerfulness must not be so easily put aside. The abundant blooms and long-flowering period of the 'Lemon Mum' variety allow for an infinite number of combinations in summer and autumn beds. It can be easily be combined with blue, purple, violet, pink or red asters and sage, or with annual poppies, producing scenes that never lack in taste. They also perform very well in pots, making it possible to decorate the terrace or balcony in a very short time.
The smell of the marigold's foliage and the substances secreted by their roots repel certain insects that are harmful to crops, which is why these plants are often planted between vegetables in the garden. A food colouring called zeaxanthin or E151h, a natural pigment safe for human consumption, is extracted from the marigold.
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Flowering
Foliage
Plant habit
Botanical data
Tagetes
erecta
Lemon Mum
Asteraceae
African Marigold, Aztec Marigold, American Marigold
Cultivar or hybrid
Planting and care
Sowing:
Sow from February to April.
Sow on the surface of a moist, well-drained seed starting mix. Cover the seeds with a very thin layer of vermiculite or potting soil. Place the seedlings in a mini greenhouse or seal them within a transparent plastic bag and keep at a constant temperature of 20 to 25° until germination, which usually takes 7 to 21 days. Do not deprive the seedlings of light, as this helps germination.
When the young plants are large enough to be handled, transplant them into a tray or 8 cm pots. Acclimatize to cooler conditions for 10-15 days before planting out, 15-20 cm apart and as soon as frost is no longer a concern.
Cultivation:
These fast-growing plants thrive in sunny, warm conditions. Place them in fertile, well-drained, light soil. Avoid over-watering in summer, as this encourages the development of fungal diseases and root rot. Regularly remove wilted flowers to prolong flowering. Protect the plants from slugs and snails that are fond of them. Tagetes tenuifolia does not tolerate frost.
Sowing period
Intended location
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
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In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.
The planting period indicated on our website applies to regions in USDA Zone 9a (East Coast and Midlands: Dublin, Wexford, Waterford, Kilkenny, Portlaoise). It will vary depending on where you live:
- On the west coast and in the north-west (Galway, Limerick, Sligo, Donegal, Westport), delay planting by 1 to 2 weeks in spring and bring it forward by 1 to 2 weeks in autumn compared to the dates given, preferably choosing periods without strong winds.
- In the inland hills and plateaus (Wicklow Mountains, Macgillycuddy’s Reeks, Connemara, Killarney), it is best to plant in spring (April–May) or autumn (September–October), avoiding periods of waterlogged soil in winter and strong winds, which pose the main risk to newly planted trees in these areas.
The flowering period indicated on our website applies to regions in USDA Zone 9a, such as the East Coast and Midlands, including Dublin, Wexford, Waterford, Kilkenny and Portlaoise.
This will vary depending on where you live:
- On the west coast and in the northwest (Galway, Limerick, Sligo, Donegal and Westport), it will be delayed by one to two weeks compared to the given dates, due to stronger Atlantic winds and less spring sunshine.
- In the inland hills and plateaus (the Wicklow Mountains, the Macgillycuddy's Reeks, Connemara and Killarney), flowering will be delayed by two to three weeks. Flowering mainly occurs between May and July, with the limiting factors being less frost and more of the excessive humidity, strong winds and lack of sunshine that are characteristic of these areas.