Trifolium squamosum — a medium houseplant, prefers full sun light
SPECIMEN · FROM THE LIBRARY
Trifolium squamosum

Trifolium Squamosum

Updated · 64 observations
ON THIS PLANT

Trifolium squamosum, usually called sea clover in English, is an annual herb in the pea family that is found close to the Atlantic and Mediterranean shores of Europe. It grows on patches of bare ground in saltmarsh, grassland or open woodland from sea level up to about 1,000 metres (3,300 ft) towards the southern edge of its range. It is palatable to livestock but has no economic uses.

A note from PlantMom

Sea clover has good disease resistance and is usually not prone to illnesses. However, it can be affected by pests and diseases present in its surroundings. These infections are typically not serious. In terms of care, the plant requires a moderate level of maintenance. It should be pruned regularly to keep a tidy appearance and healthy growth. Fertilizing can also help encourage flowering. Sea clover is suitable for anyone with outdoor space, such as a garden or patio, and does not demand extensive care experience. It may need more attention when grown indoors.

— PlantMom
CARE GUIDE

How to keep Trifolium Squamosum.

Light

The sea clover does best with consistent daily sunlight, which promotes strong growth. Although it comes from areas with abundant sun, it can tolerate partly shaded conditions. Still, prolonged lack or excess of sunlight can negatively affect its health and growth.

Water

Sea clover, which originates from coastal regions, thrives in moist, well-drained environments. It benefits from consistent hydration and typically requires watering once a week. Although it can tolerate short periods of dryness, it grows best in humid conditions. During the growing season, natural rainfall further enhances its growth.

Temperature

Sea clover can adjust to a wide range of temperature conditions, but its distribution can still be restricted by different combinations of water and heat. It grows best in warm summer climates with sufficient rainfall or watering. Extended periods of cloudy, rainy weather or prolonged high temperatures increase the chance of Sea clover dying. In winter, adequate protection from cold helps improve the plant's survival.

Fertilizer

Sea clover benefits from regular, light applications of fertilizer to encourage healthy leaf development. Fertilize Sea clover about once a month during the summer. Nitrogen is essential for foliage, and adding nitrogen-rich sources helps Sea clover thrive.

Pruning

Sea clover benefits from careful pruning between early and late spring to enhance its health and blooms. Begin by removing any dead stems and thinning out overcrowded areas to improve airflow and light penetration. Regular trimming encourages dense foliage, reduces the risk of disease, and helps maintain the plant's shape, which in turn enhances the garden's overall aesthetics.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb
Life Cycle
Annual
Genus
Trifolium
Family
Fabaceae
Hardiness Zone
7-10
Mature Height
30 cm
Mature Spread
20 cm to 30 cm
Leaf Color
Green, Blue
Leaf Type
Deciduous
Flower Color
Pink, White
Flower Size
1.02 cm to 2.03 cm
Bloom Time
Late spring, Early summer, Mid summer
Planting Time
Spring, Summer, Autumn
Harvest Time
Mid summer, Late summer, Early fall
Native Area
Libya, Turkey, Croatia, Morocco, Slovenia, Russia, France, Portugal, Tunisia, Bulgaria, Greece, Serbia, Lebanon, Italy, Spain, Iran, Albania, Azerbaijan, United Kingdom, Algeria
ALSO KNOWN AS

Other names.

en Sea clover
FREQUENTLY ASKED

Reader questions.

How should I water my Sea clover?

Sea clover can be watered using various tools such as a garden hose with a spray nozzle or a watering can. They are not too picky about the type of water they receive, including rainwater, tap water, or filtered water. It is important to avoid watering Sea clover from above as this can harm the leaves and flowers and potentially cause disease. A drip irrigation system is often the best method as it evenly and directly waters the soil. For Sea clover in containers, you can use a cup, watering can, or tap to water the soil directly.

What are the sunlight requirements for Sea clover?

Sea clover, or Trifolium squamosum, thrives best under sustained daily exposure to the sun, which enables robust growth. It originates from environments abundant in sunlight but can also tolerate somewhat shaded conditions. The plant prefers full sun, requiring above 6 hours of sunlight, but can also grow in partial sun with about 3 to 6 hours of sunlight. However, it's important to watch how sunlight moves through your garden and choose spots that provide the perfect balance of light and shade, ensuring the plants' happiness and health. A prolonged deficiency or excess of sun can adversely affect the sea clover's health and growth.

What should I do if I give my Sea clover too much or too little water?

To remedy underwatering Sea clover, simply water it more regularly when you notice it lacks moisture. Overwatering, on the other hand, can lead to severe consequences if not detected early. Overwatered Sea clover is prone to diseases that can cause decline and death. To prevent this, choose a proper growing location with sunlight to dry the soil and good drainage to prevent waterlogging. If you overwater Sea clover in a pot, consider changing to a new one with better soil drainage or more drainage holes. When repotting the overwatered Sea clover, use loose soils and ensure the pot has efficient drainage.

How can artificial lighting support Sea clover growth indoors?

When natural sunlight is insufficient, especially during winter or in less sunny spaces, artificial lighting can be a vital solution for supporting Sea clover's growth indoors. Indoor plants require adequate lighting for optimal growth. LED lights are a popular choice for indoor plant lighting as they can be customized to provide the specific wavelengths of light needed by the plants. Full sun plants need between 30-50W per square foot of artificial light, partial sun plants require 20-30W per square foot, and full shade plants need 10-20W per square foot. The light source should be placed 12-36 inches above the plant to mimic natural sunlight, and most plants need 8-12 hours of light per day.

How frequently should I water my Sea clover?

Sea clover needs regular watering during the growing season. In the spring, water it once a week. As the weather gets hotter, increase watering to two or three times a week, but avoid overwatering. Keep the soil moist but not wet. Watering sea clover in a pot is different, as the soil in pots can dry out faster. Generally, water a potted sea clover a few times a week compared to once a week for ground plants.

What are the symptoms of insufficient or excessive sunlight in Sea clover?

Sea clover may exhibit various symptoms due to insufficient or excessive sunlight. When light is inadequate, new leaves may grow smaller, and the plant may show leggy or sparse growth, faster leaf drop, slower or no new growth, and lighter-colored new leaves, indicating a lack of chlorophyll and essential nutrients. Excessive sunlight can lead to chlorosis, where leaves lose their green color and turn yellow; sunscald, causing damage to leaves or stems; leaf curling as a defense mechanism; wilting due to increased water loss; and leaf scorching, characterized by brown, dry, and crispy leaf edges. These symptoms highlight the crucial balance needed in sunlight exposure for the sea clover's health.

How much water does my Sea clover require?

Determining the right amount of water for your Sea clover can be done in a few different ways. Some gardeners prefer to judge the water volume by checking the soil's moisture level. This method suggests watering until the top six inches of soil feel moist. Another approach is to use a specific measurement. Typically, about two gallons of water per week is suitable for Sea clover, taking into account factors like temperature and soil dryness. However, following strict guidelines may result in overwatering if your plant doesn't require that much water. When growing Sea clover in a container, a different method is necessary. You should water enough to moisten all the dry soil layers. To test this, simply insert your finger into the soil to feel for moisture or water until you see a slight trickle of excess water coming out of the pot's drainage holes.

How can you manage Sea clover's sunlight exposure effectively?

Effectively managing Sea clover's sunlight exposure involves various strategies for indoor and outdoor plants. For indoor plants, gradually moving them to a sunnier location each week until they receive at least 6 hours of direct sunlight daily is recommended. Use a south-facing window and keep curtains open during the day for maximum exposure. If the plant is large or not easily movable, consider using artificial light, keeping a desk or ceiling lamp on for at least 8 hours daily or investing in professional plant grow lights. For outdoor plants, it's crucial to move them to the best spot for sunlight gradually to avoid sunburn, by shifting them to a sunnier location each week. If plants are placed in the ground and obstructed by trees, pruning the branches and leaves or transplanting the plants during their dormant period in late winter or early spring to a location with ample sunlight and good drainage can help maximize their exposure to sunlight.

How do I know if I am giving enough water to my Sea clover?

Avoiding overwatering can be challenging for Sea clover. On one hand, their deep roots need weekly moisture. On the other hand, Sea clover are prone to root rot and may turn brown due to excessive watering. Underwatering is less of a concern since they can endure periods without watering. However, if left without water for too long, Sea clover may wilt and develop dry leaves.

How should I water my Sea clover throughout the year?

As the seasons change, your Sea clover's water needs will also change. In the spring, it is recommended to water once a week. However, as the summer heat intensifies, you may need to increase watering to about three times a week, especially if your Sea clover is in a container. Containers tend to dry out faster than ground soil in warm weather. As autumn arrives and temperatures cool down, your Sea clover may require less water since the sun is not as strong as it was during the summer.

How do I water my Sea clover at different growth stages?

Sea clover goes through different growth stages throughout the year. When starting with seeds, it's important to water them consistently to keep the soil moist. As the seed germinates, water it more than the mature sea clover will require. After a few weeks, when the sea clover grows above the soil, it will need slightly less water. Once the plant is mature, water it once a week. During flower development, you may need to give it a little extra water.

How does watering Sea clover inside and outside differ?

Sea clover typically grows outdoors rather than indoors for several reasons. Firstly, these plants tend to grow tall, which may not be suitable for indoor spaces. Additionally, Sea clover requires more daily sunlight than most indoor locations can provide. If you can provide an adequate indoor growing location, you may need to water your Sea clover more frequently than you would in an outdoor setting. This is because indoor spaces, due to HVAC units, tend to be drier than outdoor environments. Furthermore, soil in containers can dry out quicker compared to soil in the ground.

PLATES
Trifolium squamosum leaf
PLATE 01 · leaf
Trifolium squamosum leaf
PLATE 02 · leaf
Trifolium squamosum flower
PLATE 03 · flower
Trifolium squamosum flower
PLATE 04 · flower
Trifolium squamosum fruit
PLATE 05 · fruit
Trifolium squamosum fruit
PLATE 06 · fruit
ALSO IN THE LIBRARY

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