10 Flowers that Start with ‘S’ - Photos + Growing Tips

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by Max - last update on May 14, 2020, 8:28 am
Flowers that Start with S

If you ever run into a sunflower field, you'll be thrilled by this plant's attractive look. But starting with the letter "s", there is not just the sunflower. There are so many beautiful flowers that begin with "s".

In this article, let's go into some of the most popular and easy to grow plants with stunning flowers starting with the above letter.

10 Types of Flowers That Start With ‘S’

1. Sunflower

Sunflower

Scientific Name: Helianthus sp.

Mature Size: Up to 12 feet tall

USDA Hardiness Zone: 2-11

Light: Full sun

Water: Average water needs

Soil: Rich, fertile, well-draining

Flower Color: Yellow, orange, red

Special Features: Fast-growing

Varieties: Helianthus annuss ‘Claret’, Helianthus annuss ‘Floristan’, Helianthus multiflorus ‘Happy Days’

Sunflowers are popular thanks to their bright and cheery large blooms, which often resemble over-sized daisies. They range in color depending on variety, from pale yellow through to flaming red. Their size can also drastically differ between varieties, with some dwarf types growing to a maximum of two feet, and other giant varieties reaching up to twelve feet in height. Most common types of sunflowers will top out at around six feet. There are several types of sunflowers, including annual sunflowers (Helianthus annuss) and perennial sunflowers (Helianthus multiflorus). Annual sunflowers are the fast-growing types which can be sown from seed in spring and will be hovering at great heights by summertime. Perennial sunflowers grow more slowly and won’t flower in their first few years, but once established, come back year after year.


2. Snowdrop

Snowdrop

Scientific Name: Galanthus nivalis

Mature Size: Up to 10 inches tall

USDA Hardiness Zone: 3-8

Light: Full sun to partial shade

Water: Maintain moist soil

Soil: Well-draining

Flower Color: White

Special Features: Early bloomer

Varieties: Galanthus ‘Lady Beatrix Stanley’, Galanthus ‘Primrose Warburg’, Galanthus elwesii (Greater Snowdrop), Galanthus plicatus (Pleated Snowdrop), Galanthus reginae-olgae (Autumn Snowdrop)

This plant grows from bulbs that should be planted in the fall. The foliage emerges in late winter, just before the dainty flowers which bloom in late winter or early spring for several weeks. The sight of these flowers often heralds the first signs of spring. The nodding flowers are pure white, lightly fragranced, and sit atop stems that have two lower gray-green leaves. The foliage will naturally die back in late spring, and reappear again year after year. These plants naturalize easily in ideal conditions, treating you to a larger patch of snowdrops each spring. They thrive in moist soil conditions and can adapt to varying degrees of sun. They grow well under the partial shade of deciduous trees, and can often be spotted growing in woodlands.


3. Snapdragon

Snapdragon

Scientific Name: Antirrhinum majus

Mature Size: Up to 36 inches tall

USDA Hardiness Zone: 5-10

Light: Full sun to partial shade

Water: Average water needs

Soil: Well-draining

Flower Color: Red, pink, white, yellow, orange, purple

Special Features: Long blooming period

Varieties: Antirrhinum majus 'Night and Day', Antirrhinum majus 'Appleblossom', Antirrhinum majus 'Potomac Lavender', Antirrhinum majus 'Liberty Classic Crimson', Antirrhinum majus ‘Calima Pure White’, Antirrhinum majus ‘Speedy Sonnet Rose’

These popular bedding plants can be grown as short-lived perennials, though they are more commonly seen as annual plants. They have a long blooming period, bringing color to the garden from spring right through to fall. The flowers of these plants have a loose trumpet shape and can be ruffled or fringed depending on the variety. They have an alluring fragrance and come in a wide range of colors, including red, pink, orange, and yellow. These plants are very rewarding to grow, as they thrive easily and put on a long and colorful display. They love full sun but will also adapt well to a partially shaded position. Overhead watering can damage the blooms and encourage fungal problems, so water at ground level and ensure the soil drains well. These plants have some tolerance of drought but should be watered regularly. Numerous varieties are available, including dwarf varieties for containers and front rows of flower beds, as well as short, intermediate, and tall varieties. The tall varieties make exceptionally good cut flowers.


4. Spider Flower

Spider Flower

Scientific Name: Cleome hassleriana

Mature Size: Up to 6 feet tall

USDA Hardiness Zone: 2-11

Light: Full sun

Water: Low to moderate water needs

Soil: Well-draining

Flower Color: Pink, white, purple

Special Features: Dainty flowers

Varieties: Cleome hassleriana ‘Sparkler White’, Cleome hassleriana ‘Rose Queen’, Cleome hassleriana ‘Helen Campbell’, Cleome hassleriana ‘Violet Queen’, Cleome hassleriana ‘Sparkler Lavender’

This dainty looking annual plant is native to South America. It produces unusual delicate flowers in loose clusters, which look like airy, floating colorful balls. Each flower has an exceptionally long stamen that protrudes out horizontally in a gentle arch, creating the look of spider's legs and giving the plant its common name. The flowers bloom for an extended period, from early spring right through to the first frost. Even once the flowers have faded, they remain decorative, like dried flowers from which a thin seedpod develops. The seeds are an attractive source of food for birds, but any seeds which do not get eaten will disperse to the ground, self-seeding and creating more plants that will appear the following spring. The plant grows quickly, ranging in the maximum height of between three and six feet.


5. Sweet Pea

Sweet Pea

Scientific Name: Lathyrus odoratus

Mature Size: Up to 8 feet tall

USDA Hardiness Zone: 2-11

Light: Full sun to partial shade

Water: Low to moderate water needs

Soil: Rich, well-draining

Flower Color: Purple, white, pink, red, blue, orange,

Special Features: Fast-growing

Varieties: Lathyrus odoratus ‘Apricot Queen’, Lathyrus odoratus ‘Black Knight’, Lathyrus odoratus ‘Fire and Ice’, Lathyrus odoratus ‘Lady Grisel Hamilton’, Lathyrus odoratus ‘Prince of Orange’

This annual flowering plant is native to parts of the Meditteranean region, including Italy and Cyprus. It is popular among cottage gardens, where it grows quickly and easily from seed to reach heights of between six and eight feet in just one season. This is a climbing plant which will need a structure to climb, or support to hold it upright. It produces beautiful flowers of around one inch across, which bloom from spring right through to fall. The flowers come in various colors, including pink, red, yellow, and orange, though in the wild they are usually purple. The blooms make brilliant cut flowers, and the more they are picked, the more flowers they produce. The flowers have the added benefit of being attractively fragranced. These plants thrive in full sun or partial shade, but they like to have their roots growing in cool soil. To achieve this, position the plants in a sunny spot and shade their lower parts with other nearby plants or mulch over the soil to help keep it cool.


6. Sweet William

Sweet William

Scientific Name: Dianthus barbatus

Mature Size: Up to 3 feet tall

USDA Hardiness Zone: 3-9

Light: Full sun

Water: Average water needs

Soil: Rich, well-draining

Flower Color: White, pink, purple, red

Special Features: Showy blooms

Varieties: Dianthus barbatus ‘Auricula Eyed Mix’, Dianthus barbatus ‘Pinocchio’, Dianthus barbatus ‘Giant Imperial’, Dianthus barbatus ‘Heart Attack’, Dianthus barbatus ‘Summer Sundae’

These plants can be grown as short-lived perennials, annuals, or biennials, depending on climate. They are native to southern Europe and parts of Asia, thriving in well-draining soil, which is rich in organic matter. These plants produce clusters of small flowers in a range of colors, with each flower measuring around half an inch across. The flowers can be single or double, with some having fringed petals. Some varieties of this plant produce sweetly scented blooms, while others have no fragrance at all. The flower clusters form at the top of firm stems, which vary in length depending on the variety. Dwarf varieties can top out at just five inches in height, whereas tall varieties can grow up to three feet. Sweet William’s thrive in full sun, though they struggle with intense heat, so should be shaded in the afternoon in hot climates.


7. Sword Lily

Sword Lily

Scientific Name: Gladiolus

Mature Size: Up to 5 feet tall

USDA Hardiness Zone: 5-11

Light: Full sun

Water: Maintain moist soil

Soil: Rich, well-draining

Flower Color: Red, pink, purple, orange, yellow, white

Special Features: Showy flowers

Varieties: Gladiolus ‘Green Star’, Gladiolus ‘Lemon Drop’, Gladiolus ‘Rhapsody in Blue’, Gladiolus ‘White Prosperity’, Gladiolus ‘Cream Perfection’

These plants grow from bulbs, providing a spectacular display of spike-covered flowers for two weeks during July, August, or September. Each spike has at least twelve flowers, appearing in various colors, with some having ruffled or bi-colored petals. There are numerous varieties available in a wide range of colors, including red, pink, purple, white, yellow, and orange. Varieties also vary in size, with some reaching a maximum of just one foot tall, while others can grow up to five feet. Many sword lilies will only grow in hot climates above USDA hardiness zone 8, but there are many hardy sword lily varieties that can be grown right down to zone 5. They can adapt to almost any soil type so long as it drains well, and need consistent moisture for the best performance. These plants are popular in beds and borders and make excellent cut flowers.


8. Shooting Stars

Shooting Stars

Scientific Name: Dodecatheon meadia

Mature Size: Up to 2 feet tall

USDA Hardiness Zone: 4-8

Light: Full sun to partial shade

Water: Maintain moist soil

Soil: Rich, well-draining

Flower Color: Unusual flowers

Special Features: Award-winning plant

Varieties: Dodecatheon hendersonii, Dodecatheon pulchellum, Dodecatheon frigidum, Dodecatheon jeffreyi

This perennial plant is native to North America, from Canada right down to Texas. It is a beautiful wildflower that is popularly cultivated in garden beds and borders for its unique nodding blooms. It gets its common name from the way the blossoms droop down from tall stems, with the petals seemingly flying behind them like shooting stars. The variety of this plant, which is commonly seen in prairies, grows to around two feet tall and typically has white or pink flowers, blooming in late spring. There are several other types of shooting stars available for home growers, some of which grow to a maximum of one foot in height, in various shades of purple. Shooting stars like to have consistently moist soil during the growing seasons, but prefer to be dry when dormant.


9. Sneeze Weeds

Sneeze Weeds

Scientific Name: Helenium

Mature Size: Up to 5 feet tall

USDA Hardiness Zone: 3-8

Light: Full sun

Water: Average water needs

Soil: Well-draining

Flower Color: Red, orange, yellow

Special Features: Late bloomer

Varieties: Helenium ‘Potter’s Wheel’, Helenium ‘Mardi Gras’, Helenium ‘Flaming Wheel’, Helenium ‘Sahin’s Early Flowerer’, Helenium ‘Luc’

These plants produce flowers that resemble daisies, in fiery colors ranging from yellow through to red. Their common name comes from the fact that their dried foliage was used in ancient times to make snuff, which would induce sneezing to supposedly rid the patient of evil spirits. The flowers of this plant have spherical centers covered in pollen, which protrudes out from the surrounding petals, some of which stick out horizontally, while others shoot downwards. The blooming period differs between varieties, with some flowering in early summer through to fall, while others appear in late summer and fade in the fall. These perennial plants are native to North America and offer a showy floral display that reliably blooms for long periods each year. They are enormously attractive to bees and butterflies and will tolerate just about any soil type so long as it drains well.


10. Snowflakes

Snowflakes

Scientific Name: Leucojum sp.

Mature Size: Up to 2 feet tall

USDA Hardiness Zone: 3-9

Light: Full sun to partial shade

Water: Average moisture needs

Soil: Rich, well-draining

Flower Color: White

Special Features: Tolerate boggy soils

There are two types of snowflake plant; the summer snowflake (Leucojum aestivum) and the spring snowflake (Leucojum vernum). The summer snowflake is the largest of the two, growing up to two feet tall, while the spring snowflake rarely exceeds eight inches. These plants grow from bulbs, producing delicate white nodding flowers. Spring snowflakes bloom in late winter or early spring, while summer snowflakes bloom a few weeks later in mid to late spring. The flowers of these plants look almost identical to snowdrops, another early-blooming bulb plant, with the main identifiable difference being the green dots visible at the tip of each petal on a snowflake, while snowdrops only have green dots on three out of six of their petals. The foliage of these plants grows in clumps that look like decorative grass. They naturalize easily in ideal conditions, creating larger areas of snowflakes year on year.

10 Flowers that Start with ‘S’ - Photos + Growing Tips

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