Plant Height
36–48 inVariety-specific habit
Best Seller
Blue Lobelia Seeds
$5.98
High-germination, non-GMO, open-pollinated seeds selected for home gardens across the USA.
In stock — ships in 1–2 business days
Germination SupportPractical guidance when you need it
USA Garden FriendlySeeds selected for USA gardens
Secure CheckoutProtected payment experience
Growing at a Glance
The essential growing information for this variety, shown in one easy-to-scan view.
Light Requirement
Full Sun6+ hours daily
Growing Season
Spring–FallFollow local frost dates
USDA Zone
2–11Selected for USA gardens
Germination
7–14 DaysKeep evenly moist
Days to Maturity
75–90 DaysVariety dependent
Plant Spacing
12–18 inAllow healthy airflow
Growing Difficulty
EasyGrowing support available
Shipping & Returns
Simple delivery. Clear support.
Shipping
Orders typically leave our warehouse in 1–2 business days. Free standard shipping is available on qualifying U.S. orders of $29.9+.
Returns & order issues
Unopened seed packets may be returned within 30 days of delivery. Contact our support team for damaged, incorrect or missing items.
Seeds are living products. If you have germination questions, our team provides practical growing guidance to help you troubleshoot.
About this seed
Why gardeners choose this variety
Blue Lobelia is a popular compact cool-season annual beloved for masses of tiny vivid sky-blue tubular blossoms. Countless miniature flowers cluster along slender, delicate branching stems, forming dense mounds of rich cool-toned color that offer striking contrast against green foliage and warm-hued companion plants. This low-growing variety thrives in mild spring and early summer weather, blooming profusely when temperatures remain moderate. Its neat, spreading growth habit fills gaps in planting arrangements, bringing soft textured blue blooms that are highly sought after for edging and container accents.
Blue lobelia is a staple choice for front border edging, window boxes, patio pots and hanging baskets. The abundant small blossoms supply nectar for native bees and tiny beneficial insects. With consistent watering and light trimming of straggly growth, plants continue producing waves of blue flowers for weeks. Once sustained extreme heat arrives, flowering may slow, making it ideal for bright spring displays and shaded summer container arrangements with simple, low-effort seasonal care.
Key features
What makes it stand out
- Quality seed selection
- Selected for USA gardens
- Clear packet directions
- Growing support available
Perfect for
Best garden uses
- Home gardens
- Raised beds
- Gardeners of every experience level
- Seasonal planting
Growing tips
A stronger start
- Follow local frost dates
- Use well-draining soil
- Keep seeds evenly moist
- Follow the packet guidance
Questions & Garden Results
Clear answers resolve the last planting doubts; photo reviews add useful social proof.
When should I plant these seeds?
Use your local last-frost date and follow the variety-specific planting directions on the packet.
How many seeds are included?
The selected seed-count option shows the approximate quantity included in each packet.
How long does germination take?
Use the germination range shown above and keep temperature and moisture within the packet guidance.
What if I need help with germination?
Our team can help review planting depth, temperature, moisture and timing so you can adjust your growing setup with confidence.
★★★★★
The packet directions were clear, the plants established well and the garden result was beautiful.
Michelle R. Verified buyer
★★★★★
Easy to follow and very rewarding to grow. I will add this variety to my garden again.
Sarah T. Verified buyer
Build a Better Harvest
Pair compatible garden favorites and make the most of your growing space.
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