Looking to add a carpet of bright blue to your landscape? This guide highlights five blue-flowering ground covers and low-growing perennials ideal for borders, edging, or filling in shaded or mixed beds. Each option below is chosen for reliable blue blooms, manageable size, and suitability as ground cover. The top picks are best for shade-friendly spots, rock gardens, and container displays where you want a steady blue presence from spring through early summer.
| Product | Best For |
|---|---|
| KVITER 1200 Forget Me Not Seeds | Shady borders and containers; reliable sprouting |
| Forget Me Not Seeds – 500 Seeds (Marde Ross) | Mass planting and borders; easy germination |
| Emerald Blue Creeping Phlox | Rock gardens, banks, edging; evergreen foliage |
| Blue Creeping Thyme Seeds | Low, fragrant ground cover; edging and pathways |
| Forget-Me-Not Seeds – 100 Pcs (BuggyBeds) | Borders, ground cover, easy self-seeding |
KVITER 1200 Forget Me Not Seeds
Features indicate easy germination in 10–21 days at 65–72°F, with direct sowing just below the surface and consistent moisture for reliable sprouting. These forget-me-nots form a compact clump to about 16 inches tall, making them suitable for borders or as a low ground-cover when spaced 6–12 inches apart. Best for shady to partially shaded garden spots where blue blooms can brighten textures. Caution: germination times may vary with indoor conditions and moisture management.
Forget Me Not Seeds – 500 Seeds (Marde Ross & Company)
This bulk seed selection produces sky-blue clusters from spring to summer and works well around tulips or mixed borders for soft color. Germination is supported by cold storage in the seed lot and stable moisture after sowing. Best for gardeners seeking a quick, mass display of blue forget-me-nots in zones 3–9. However, germination can be slower in hot or dry conditions; provide consistent moisture and partial shade when needed.
Emerald Blue Creeping Phlox
Best for evergreen ground cover with vibrant blue blossoms in spring. This blue creeping phlox forms dense mats that spill over edges and can be used for rock gardens, slopes, or containers. It grows 0–1 ft tall and tolerates full sun to partial shade; it’s particularly suited for mass plantings that create a blue carpet. Limitation: growth can slow in extremely hot or dry conditions; ensure well-drained soil to maintain color and vigor.
Mixrug Blue Creeping Thyme Ground Cover Seeds
Thyme offers a dense, fragrant blue ground cover with edible foliage and a pleasant fragrance. It forms low mats ideal for pathways, borders, and rock gardens. Best for sunny spots and well-drained soil; thyme seeds can be slow to germinate and require consistent moisture and light exposure during the germination period. Best for low-maintenance blue accents that also attract pollinators. Caution: not ideal for deep shade or very wet soils.
Forget-Me-Not Seeds – 100 Pcs Blue Perennial
This compact batch is ideal for borders, containers, and ground cover in shaded gardens. The forget-me-nots are described as self-seeding perennials, meaning they can naturally come back in subsequent seasons, creating a recurring blue bloom display. Best for gardeners who prefer a hands-off approach with annual self-renewal. Limitation: self-seeding can spread beyond intended areas; consider containment in busy garden beds.
Buying Guide: Key Considerations for Blue Ground Covers
- Light and moisture: Some blue ground covers prefer full sun (creeping thyme) while others thrive in partial shade (forget-me-nots). Match plant choice to your site’s light exposure and soil moisture.
- Mature size and spread: Consider how large the plant will be at maturity. Phlox and creeping thyme offer low, spreading mats, while forget-me-nots can form clumps and may self-seed variably.
- Soil and drainage: Well-drained soils support creeping phlox and thyme best. If your soil stays wet, choose more moisture-tolerant ground covers and avoid species prone to root rot.
- Maintenance needs: Some options require regular pruning to maintain a tidy blue carpet (phlox), while others rely on self-seeding (forget-me-nots). Plan for maintenance level that fits your routine.
- Pollinator appeal: Blue flowers attract bees and butterflies, enhancing garden health. Thyme and phlox can provide ongoing nectar sources through multiple seasons.
- Hardiness and zones: Check zone compatibility for your region. Most forget-me-nots and phlox varieties cover a broad range, but verify zone ratings for your area.
Frequently Asked Questions
- What is the best blue ground cover for shade?
Answer: Forget-me-nots and certain creeping phlox varieties perform well in partial shade, delivering reliable blue blooms without excessive sun exposure. - Which blue ground cover is best for rock gardens?
Answer: Emerald Blue Creeping Phlox is well-suited for rock gardens due to its mat-forming habit and blue blossoms that spill over rock edges. - Are blue ground covers easy to maintain?
Answer: Many are low-maintenance, especially those that form evergreen mats; however, thyme can require dry, well-drained soil, while forget-me-nots may self-seed year to year. - Can these plants attract pollinators?
Answer: Yes. Blue flowering ground covers like thyme and phlox commonly attract bees and butterflies, supporting garden biodiversity. - Do blue ground covers tolerate containers?
Answer: Several options, including creeping phlox and forget-me-nots, perform well in containers when given adequate moisture and drainage.