1. Lavender

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Botanical Name: Lavandula

Type: Perennial

Blooming Period: Summer to Early Fall

Lavender is noted for its stunning flowers, healing properties, pleasant fragrance, and culinary applications. The plant stands for purity, grace, and serenity.

Want to grow Lavender from cuttings? Click here

2. Lobelia

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Botanical Name: Lobelia erinus

Type: Perennial (Occasionally considered Annual)

Blooming Period: Mid-summer until the First Frost

Lobelia features attractive five-petalled blooms in purple, white, blue, and pink shades. It is known to treat depression, asthma, and other health issues.

3. Lotus

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Botanical Name: Nelumbo nucifera

Type: Perennial

Blooming Period: Summer to Early Fall

Lotus is a magnificent flower considered sacred in many cultures. It is also popular as the Sacred Lotus, known to stand for purity, faith, holiness, and enlightenment.

4. Larkspur

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Botanical Name: Delphinium

Type: Annual

Blooming Period: Spring and Summer

The flowers bloom in clusters of blue during spring and summer. It stands for attachment, deep affection, and joy.

5. Lady’s Mantle

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Botanical Name: Alchemilla

Type: Perennial

Blooming Period: Early Summer and Spring

This beautiful perennial produces flowers in yellow during spring and can even produce green-colored flowers. The soft scalloped foliage comes in gray and green shades.

6. Lady Finger Cactus

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Botanical Name: Mammillaria elongata

Type: Perennial

Blooming Period: Spring

Lady Finger Cactus is also called the Mammillaria elongata or Gold Lace Cactus. This flowering species comes from central Mexico. It bears yellow or white-colored flowers in spring.

Find out 8 exotic fruits that grow on Cactus here

7. Lindheimers Beeblossom

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Botanical Name: Oenothera lindheimeri

Type: Perennial

Blooming Period: Early Summer to Fall

These lance-shaped flowers often bloom in shades of cream, gold, pink, white, or even a combination of two colors. With tall flowers, Lindheimers Beeblossom looks like butterflies floating in your yard.

8. Lilac

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Botanical Name: Syringa vulgaris

Type: Perennial

Blooming Period: Spring and Summer

Lilac is known to attract butterflies and humans alike with its sweet, strong fragrance that can fill your garden with the same. The pretty blooms symbolize first love and innocence.

9. Lily

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Botanical Name: Lilium

Type: Perennial

Blooming Period: Spring to Fall

Lily is found in beautiful bold shades of yellow, pink, orange, and white. When used as a cut flower, it looks stunning and lasts for 2-3 weeks.

Look at the best Daylily varieties here

10. Lantana

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Botanical Name: Lantana camara

Type: Annuals or perennials

Blooming Period: Late Spring until First Frost

Lantana could either be a perennial or an annual depending on the region and the variety of the flowering species. The Lantana leaves are known to show fungicidal, antimicrobial, and insecticidal properties.

Learn everything about growing Lantana here

11. Lily of the Valley

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Botanical Name: Convallaria majalis

Type: Perennial

Blooming Period: Late Spring

Interestingly, Lily of the Valley is not the same as Lilies but belongs to the same family of Asparagus. This flowering species’ delicate flowers and sweet fragrance symbolize true love despite adversity and purity.

12. Laurestine

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Botanical Name: Viburnum tinus

Type: Perennials

Blooming Period: October to June

Laurestine is also called Laurustinus and belongs to the family of Adoxaceae and comes from Europe and the Mediterranean region of North Africa. This flowering species is known to thrive well in moist and shady places.

13. Lungwort

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Botanical Name: Pulmonaria officinalis

Type: Perennial

Blooming Period: Spring and Summer

Lungwort is also called Long-Leafed Lungwort, Our Lady’s Milk Drops, Mary’s Tears and it is a clumping but slow spreader, herbaceous perennial, rhizomatous plant. It belongs to the family Boraginaceae and comes from the genus Pulmonaria.

14. Lady’s Bedstraw

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Botanical Name: Galium verum

Type: Perennials

Blooming Period: Later Summer to Early Fall

Lady’s Bedstraw is also called Yellow Spring Bedstraw or Yellow Bedstraw and belongs to the Rubiaceae family. The plant bears flowers in yellow clusters that are often considered a weed.

15. Lady’s Eardrop

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Botanical Name: Fuchsia

Type: Perennial

Blooming Period: Spring to Fall

Lady’s Eardrop is also called Fuchsia and belongs to the Onagraceae family. The beautiful flowers come in shades of pink, purple, red, white, and fuchsia in the present times.

16. Laurel

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Botanical Name: Kalmia latifolia

Type: Perennial

Blooming Period: Late Spring

Laurel is also called the Mountain Laurel and Kalmia. It is known to be toxic and dangerous when ingested by animals or humans. This flower stands for ambition and perseverance.

17. Lisianthus

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Botanical Name: Eustoma grandiflorum

Type: Annual

Blooming Period: Summer to Fall

The Lisianthus is known for its magnificent and glorious flowers in shades of white, blue, and pink. The pretty flowers can last in a vase for 2-3 weeks. It symbolizes deep bonds of love and charisma.

18. Lupine

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Botanical Name: Lupinus polyphyllus

Type: Perennials and Annuals

Blooming Period: Early to Mid-Summer

The quaint, beautiful Lupine blooms look like wings on stiff inflorescences. Additionally, the unique petals open up in shades of pink, yellow, blue, and purple. The flower stands for joy, elation, and merriment.