Tall yellow sweetclover - Melilotus altissimus (Taxonomy, Characteristics, Distribution, Images)

Tall yellow sweetclover

Also known as: King's clover, Tall sweetclover

The High Stone Clover is a biennial plant. The herbaceous growing, branched stems is upright or arched ascending and usually reaches a height of 60 to 125 cm. The foliage leaflets are obovate to oblong-wedge-shaped and serrate toothed. The stipules are entire or - in the middle and lower - provided with a tooth.

Scientific classification

Species

Tall yellow sweetclover (Melilotus altissimus)

Legumes, milkworts and allies

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Biennial, Perennial

Lifespan

Herb

Plant Type

Summer, Fall

Bloom Time

60 cm to 1.5 m

Plant Height

5 mm to 7 mm

Flower Size

Yellow

Flower Color

Semi-evergreen

Leaf type

Distribution of Tall yellow sweetclover

Distribution Map

Tall yellow sweetclover is a plant native to regions of Northern, Central, and Southern Europe. Over time, it has been introduced to the northern and western fringes of Europe. The plant thrives across a continuum of temperate climates and terrains within these major regions, though it is not referenced as cultivated for specific purposes in this context.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Waste places and woods

Care Guide for Tall yellow sweetclover

Every week

Water

Full sun

Sunlight

20 - 38 ℃

Ideal Temperature

Water: Tall yellow sweetclover thrives in moist environments, preferring consistent hydration. While moderately drought-tolerant, it flourishes with evenly moist soil. Weekly watering is recommended for optimal health. As an herbaceous plant, tall yellow sweetclover is typically grown outdoors, benefiting from natural rainfall during its active growing season.

Fertilize: To enhance tall yellow sweetclover's growth, fertilize biannually with balanced nutrition. Apply high-nitrogen fertilizers in early spring and late summer, using slow-release formulas. Monitor for over-fertilization and adjust seasonally to support growth stages, while considering soil tests for effective nutrient management.

Pruning: Prune tall yellow sweetclover in early to late spring to support healthy regrowth. Focus on removing dead stems for better air circulation and disease prevention. Tip-pruning encourages bushier growth, enhancing vigor and appearance while preventing invasiveness. Use clean, sharp tools to minimize stress and disease.

Propagation: Tall yellow sweetclover propagates well through sowing, requiring properly prepared, well-draining soil at adequate depth. Seeds benefit from direct sunlight for optimal germination rates and should have moderate moisture. Thinning may be necessary after seedlings emerge to ensure healthy growth.

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