# Yellow Sweetclover (*Melilotus officinalis*)

Yellow Sweetclover is a tall plant with bright yellow flowers that smell sweet! It grows in fields and meadows, making them look sunny and cheerful.

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Snaps:** 45
- **Habitat:** Grasslands

![Yellow Sweetclover](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/20140613Melilotus_officinalis.jpg&width=800)

Photo: AnRo0002, CC0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:20140613Melilotus_officinalis.jpg)

## Appearance

The Yellow Sweetclover is an upright plant with slender, often branching stems. It has small, bright yellow, pea-like flowers tightly clustered in long, narrow spikes at the top of its stalks. Its leaves are trifoliate, meaning they have three leaflets, resembling miniature clovers with finely toothed edges.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Magnoliopsida
- **Order:** Fabales
- **Family:** Fabaceae
- **Genus:** Melilotus

## Interesting facts

- Early pioneers sometimes used its crushed leaves to make soothing poultices for wounds!
- It helps farmers break up compacted soil with its super strong, deep roots!
- Its pleasant, vanilla-like scent actually becomes stronger as the plant dries!
- This plant was once used by people to flavor tobacco and even some types of cheese!

## Special abilities

- **Nitrogen Fixer:** Yellow Sweetclover can pull nitrogen gas from the air and turn it into plant food, making the soil healthier for itself and other plants.
- **Deep-Rooted Thirsty Survivor:** Yellow Sweetclover has a super long taproot that helps it find water deep underground and survive very dry weather.
- **Sweet Scent Shield:** Yellow Sweetclover produces a sweet-smelling chemical called coumarin, which can help deter some hungry animals from eating too much.

## Measurements & details

- **Height:** 50-150 cm
- **Spread:** 30-60 cm
- **Flower Size:** 0.3-0.5 cm
- **Bloom Season:** Late spring to fall
- **Edible:** No
- **Toxicity:** Mild
- **Lifecycle:** Biennial
- **Pollination Method:** Insect

## Ecological connections

- **Pollinates:** European honey bee (*Apis mellifera*) — collects nectar and pollen
- **Pollinates:** Common eastern bumblebee (*Bombus impatiens*) — visits flowers for nectar
- **Eaten by:** [Red deer](https://www.snappit.app/explore/red-deer) (*Cervus elaphus*) — grazes on the foliage
- **Eaten by:** Meadow vole (*Microtus pennsylvanicus*) — eats seeds and stems

## Traits

- [Aromatic](https://www.snappit.app/explore/traits/aromatic): Aromatic plants produce and emit fragrant volatile organic compounds, often for defense or to attract pollinators.
- [Flowering](https://www.snappit.app/explore/traits/flowering): Flowering plants are any plants that produce flowers as part of their reproductive cycle.
- [Nitrogen Fixing](https://www.snappit.app/explore/traits/nitrogen-fixing): Describes organisms capable of converting atmospheric nitrogen into compounds usable by plants.
- [Biennial](https://www.snappit.app/explore/traits/biennial): Biennial plants complete their life cycle over two growing seasons, typically forming foliage in the first year and flowering/seeding in the second.
- [Fragrant Flower](https://www.snappit.app/explore/traits/fragrant-flower): Fragrant flowers emit a pleasant aroma, often to attract pollinators or for defense.
- [Edible](https://www.snappit.app/explore/traits/edible): Edible plants are those parts of a plant that are considered safe for human consumption.
- [Grassland](https://www.snappit.app/explore/traits/grassland): Grassland habitats are terrestrial biomes dominated by grasses and herbaceous plants, supporting a variety of grazing animals.
- [Pollinator Magnet](https://www.snappit.app/explore/traits/pollinator-magnet): Describes plants that are particularly attractive and beneficial to a wide range of pollinating organisms.

## Collections

- [Plants](https://www.snappit.app/explore/collections/plants)

## Safety

**Danger:** 1/5 · Very low

Always check with an adult before touching or picking plants.

## Frequently Asked Questions

### How to identify Yellow Sweetclover?

Start with the whole plant, then compare leaf arrangement, leaf edges, stems and any flowers or fruit. Opposite leaves grow in pairs; alternate leaves come one at a time along the stem. These details tell you far more together than a single green leaf does. Plant Identifier: upload a photo and compare the visible details.

### How tall is Yellow Sweetclover?

50-150 cm

### How wide does Yellow Sweetclover spread?

30-60 cm

### How big are the flowers on Yellow Sweetclover?

0.3-0.5 cm

### When does Yellow Sweetclover bloom?

Late spring to fall

### Is Yellow Sweetclover edible?

No

### Is Yellow Sweetclover toxic?

Mild

### What is Yellow Sweetclover's lifecycle?

Biennial

## Where to spot

- [Blackhand Gorge State Nature Preserve](https://www.snappit.app/guides/places/blackhand-gorge-state-nature-preserve) — Ohio, US · Nature Reserve
- [Boerner Botanical Gardens](https://www.snappit.app/guides/places/boerner-botanical-gardens) — Wisconsin, US · Botanical Garden
- [Brooklyn Botanic Garden](https://www.snappit.app/guides/places/brooklyn-botanic-garden) — New York, US · Botanical Garden
- [Calico Rock Historic District](https://www.snappit.app/guides/places/calico-rock-historic-district) — Arkansas, US · Historic District
- [Camp Misty Mount Historic District](https://www.snappit.app/guides/places/camp-misty-mount-historic-district) — Maryland, US · Historic District
- [Clayton Public Schools Historic District](https://www.snappit.app/guides/places/clayton-public-schools-historic-district) — New Mexico, US · Historic District

[View all places to see Yellow Sweetclover](https://www.snappit.app/guides/where-to-see/yellow-sweetclover)

## More Plants

- [white snakeroot](https://www.snappit.app/explore/white-snakeroot) (*Ageratina altissima*)
- [tree-of-heaven](https://www.snappit.app/explore/tree-of-heaven) (*Ailanthus altissima*)
- [western sword fern](https://www.snappit.app/explore/western-sword-fern) (*Polystichum munitum*)
- [common milkweed](https://www.snappit.app/explore/common-milkweed) (*Asclepias syriaca*)

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Source: [Yellow Sweetclover: Facts & Places to See — Snappit](https://www.snappit.app/explore/yellow-sweetclover)
