Cleome

Cleome delivers airy, spidery blooms that attract pollinators; sow seeds in full sun and well-drained soil after last frost, or start indoors, with autumn sowing possible in mild climates.
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    Vibrant Cleome Rose Queen Seeds for Garden BordersDiscover the charm of Cleome Rose Queen seeds, featuring the striking Cleome hassleriana variety known as Cat's Whiskers. These ornamental cleome plants are prized for their long blooming...

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    Vibrant Cleome Seeds for Garden BordersDiscover the charm of Cleome seeds with the striking Cleome hassleriana Rose Queen variety, an exceptional choice among annual flowering plants. These sun-loving flowers reach up to 100 cm in...

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    Vibrant Cleome Spider Flower Mix for GardensDiscover the charm of the Cleome Spider Flower, a stunning annual flowering plant known scientifically as Cleome hassleriana. This decorative cleome annual plant features a beautiful mix of colors...

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    Elegant Cleome White Queen Seeds for Garden BordersDiscover the charm of Cleome White Queen seeds, perfect for adding a graceful touch to your garden with their striking white blooms. These annual flowering plants, known botanically...

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    Elegant Cosmos Hummingbird White Seeds for GardensDiscover the charm of Cosmos Hummingbird White seeds, featuring the striking Cosmos bippinnatus variety known for its bright white, tubular petals. This sun-loving bedding plant thrives in sunny spots,...

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Airy, spidery blooms for vibrant summer displays

Known for ethereal, spidery umbels and statuesque poise, Cleome Seeds bring an architectural lift to borders and mixed summer bedding. Often called spider flower, Grandpa’s whiskers, or Rocky Mountain bee plant, these annual flower seeds carry airy flower clusters that open over a long season, sustaining a vibrant flowering display from early summer into autumn. Highly valued in pollinator-friendly plantings, their nectar-rich blooms draw bees and butterflies, supporting biodiversity with continuous forage. As tall annuals with elegant, palmately divided foliage and whiskered stamens, they serve as dramatic backdrops for cottage garden flowers or as punctuation in a cut flower garden. Whether selecting single shades or a spider flower mix, Cleome Seeds offer heat-tolerant resilience and fragrant, evening-scented interest.

For reliable performance, these long-blooming annuals prefer full sun and well-drained soil. Sowing is straightforward: start indoors before the last frost, or direct sow after the last frost; in mild climates, autumn sowing may be possible. Once established, the plants show drought tolerance and are often ignored by deer, suiting xeriscape borders and low-care designs. While naturally upright and tall, they can be grown in generous containers for an airy, vertical accent on terraces and patios. With thoughtful spacing, Cleome Seeds develop open frameworks that move in the breeze without becoming congested, enhancing air flow around the architectural flowers.

Choices in this range span classic Spider Flower Seeds (Cleome hassleriana) along with related selections marketed as Cleome spinosa seeds and Tarenaya hassleriana seeds. Shades run from soft pastels to vivid magentas and whites, with subtle shifts as the airy flower clusters mature. In borders, Cleome Seeds pair well with grasses and other summer bedding plants, providing stature, rhythm, and a long succession of blooms for a sustained summer flowering display. Self-seeding tendencies may naturalise modestly in favourable spots, renewing planting with minimal intervention while maintaining a tidy look if spent heads are removed. For wildlife-friendly schemes and dynamic seasonal structure, Cleome Seeds remain a dependable choice.

Spider flower seeds (Cleome hassleriana)

Use this range navigator to jump between the broader Flowers Seeds collection and closely related categories. Find options grouped by growth habit and garden use, including annual displays, drought tolerant picks, fast growers for quick color, selections suited to cutting, and container-friendly choices. You can also browse complementary genera such as cosmos, zinnia, marigold, and nigella to coordinate textures, heights, and flowering windows across your beds and borders.

Spider flower seeds (Cleome hassleriana)

Give spider flower (Cleome hassleriana) full sun and well-drained, moderately fertile soil. Start indoors before the last frost or direct sow after the last frost once soils are warm; in mild climates, autumn sowing may be possible. Space plants 30–45 cm to promote airflow, and expect 90–150 cm tall, architectural growth that brings summer color to borders. Keep seedlings evenly moist; once established, this long-blooming annual tolerates heat and brief drought, but avoid waterlogging. Sow on the surface or barely cover, as seeds germinate best in warmth and light within 7–14 days. Transplant carefully to reduce root disturbance, or thin direct-sown stands early for sturdy, airy flower clusters.

  • Sow in warm conditions (about 20–25Β°C); surface or barely cover seed for reliable germination.
  • Feed sparingly; overly rich soil encourages foliage at the expense of blooms.
  • Tall stems may need staking in exposed, windy sites; water deeply but infrequently once established.
  • Suitable for large containers with sharp drainage; use a deep pot and keep evenly moist without sogginess.
  • Nectar-rich blossoms attract bees, butterflies, and hummingbirds, supporting a pollinator-friendly garden.
  • Valued as an ornamental for its architectural form and cut flowers; deadhead to limit self-seeding and maintain tidy displays.

How do I grow Cleome seeds from start to finish?

Start indoors from seed several weeks before the last frost, or direct sow Cleome Seeds outdoors once frost has passed and soil is warming. Use well-drained, moderately fertile soil in full sun; these tall annuals appreciate bright conditions and good airflow. For germination, sow on the surface or cover very lightly, keep evenly moist (not wet), and provide steady warmth; emergence can be slow or uneven. Transplant carefully, minimizing root disturbance. From spring sowings, flowering typically begins as weather stabilizes into summer, with airy flower clusters bringing long-blooming, architectural color to borders and cottage garden plantings.

When should I sow spider flower seeds after the last frost?

Direct sow spider flower (Cleome) seeds after the last frost when night temperatures are consistently mild and the soil has warmed. Those who prefer a head start can sow indoors before the last frost and harden off seedlings once conditions settle. In mild climates, autumn sowing may be possible, leading to earlier summer color the following season. Whether you choose to start indoors from seed or direct sow after frost, avoid cold, wet soils, which slow germination, and thin or transplant to final spacing once seedlings are sturdy.

What spacing and height should I expect with Cleome seeds?

Allow generous room: space plants about 30–45 cm (12–18 in) apart to promote airflow and upright growth. Mature height commonly ranges 90–150 cm (3–5 ft), with the upper end more likely in fertile soil and warm conditions. These tall annuals form elegant, airy flower clusters that read as architectural flowers in summer bedding schemes and at the middle to back of borders. In exposed sites, a discreet stake can help prevent leaning. Stems are suitable for the cut flower garden when harvested before seedpods elongate.

Do Cleome plants self-seed in the garden, and how can I manage volunteers?

Cleome is a classic self-seeding annual. If seedpods are allowed to mature and disperse, you may see volunteer seedlings the following season. To encourage this, simply leave some spent blooms to set seed; to reduce self-seeding, deadhead promptly or remove forming pods. A light mulch also helps limit germination. Seedlings are typically easy to recognize and thin or transplant when small. Expect some natural variation in height and color among volunteers, which can add an informal, cottage garden feel.

Can Cleome be grown in containers, and what kind of pot works best?

Yesβ€”Cleome can thrive in containers when given a large, deep pot with ample drainage and a high-quality, well-drained mix. Position in full sun and water thoroughly, allowing the top layer of media to dry slightly between waterings; once established, plants tolerate heat well, though containers dry faster than beds. Tall forms may benefit from a slender stake. For balanced growth, avoid overfeeding; excessive nitrogen encourages leafy growth at the expense of blooms. One plant per large container creates a bold focal point for summer color.

Are Cleome good for pollinators?

Cleome flowers are valued in a pollinator-friendly garden. Their nectar and open, accessible blooms can attract bees and butterflies, and in suitable areas they are noted as hummingbird flowers. By flowering through warm months, they offer a sustained resource alongside other full sun plants. Growing them in well-drained soil with minimal pesticide use further enhances their role as a bee and butterfly attractor. Combined with other drought tolerant flowers, they contribute structure, fragrance, and reliable summer color for borders and wildlife planting schemes.

Lots are sourced from audited growers and packed to professional standards. Purity and germination are tested to industry norms, and phytosanitary requirements are observed where applicable. Varietal data, sowing windows, and days to maturity are indicative; outcomes vary with microclimate, soil, hardiness zone, and hemisphere. Product pages provide lot-specific handling and cultivation details based on current supplier documentation.

Airy, spidery blooms for vibrant summer displays

Cleome Seeds bring tall, architectural annuals known as spider flower, delivering ethereal clusters of spidery petals in pink, white, and lavender that rise above palmate foliage. Blooming from early summer until frost, they attract bees, butterflies, and beneficial insects while adding airy movement to borders and cutting gardens. For best results, start indoors 6–8 weeks before the last frost in warm conditions; press seeds lightly on the surface, as light can aid germination, and transplant carefully once danger of frost has passed. Alternatively, direct-sow into warmed, well-drained soil after the last frost; in mild climates, autumn sowing may be possible where soil stays warm. Provide full sun and moderate moisture; plants are fairly drought tolerant once established and remain sturdier in leaner soils. Pinch young plants to encourage branching, and deadhead to prolong flowering or allow some seedheads to mature for naturalized self-sowing. Stems can be slightly prickly, so position away from narrow paths. Related category: Flowers Seeds.