Can lobelia be grown from seed?
Lobelia seeds are very tiny, rather dust-like, but do not be scared, it is easy to sow and grow them. Actually one of the easiest annual flower and the rewards of the shiny flowers are really worth the try to grow these beauties in your garden.
How do you plant blue lobelia seeds?
Lobelia siphilitica To start indoors, sow the seed 6-8 weeks before the last frost of spring and keep the soil lightly moist until germination. Transplant the seedlings as soon as they can safely be handled and there is no chance of frost. Growing: Keep seedlings well watered and control weeds.
When should lobelia seeds be planted?
Sow lobelia seeds in February or March. The seeds are tiny, so you could mix them with some silver sand to make the job easier. They need a temperature of 18-24C (65-75F) to germinate, so use a heated propagator or cover with a polythene bag and keep somewhere warm.
How long does it take lobelia to flower from seed?
Germination takes 15-21 days. Water with a mist sprayer. Consider starting Lobelia in 12- or 24-cell plug inserts. It is nice to be able to pull apart clumps of Lobelia for later transplanting.
How long do lobelia seeds take to germinate?
Do not cover, as lobelia needs light to germinate. Keep soil damp, we suggest a hand sprayer for ideal watering. Keep in a warm environment at a temperature of 15-20°C(60-68°F). Seedlings should appear within 7-14 days.
Will lobelia bloom the first year?
You can plant your seedlings outdoors after all danger of frost spacing them 8 to 12 inches apart. Unlike most perennials, Great Blue Lobelia will bloom the first year.
Do lobelia grow back every year?
Lobelia cardinalis is a short-lived perennial, so divide it every 2 years in spring to maintain its vigour….Perennial lobelia.
|Flowering season(s)||Summer, Autumn|
|Foliage season(s)||Spring, Summer, Autumn, Winter|
|Sunlight||Partial shade, Full sun|
Do lobelia come back every year?
There are many types of Lobelia. Some are annuals and some are perennials and some are annuals only in northern climates. Annuals will usually self-seed and come back the next year, while perennials will re-sprout from the dormant plant in spring.
Can I direct sow lobelia?
Lobelia seeds can be sown directly in the garden or indoors for later transplanting. These plants typically require an area with full sun but will tolerate partial shade. They also prefer moist, rich soil.
Is lobelia a perennial or an annual?
Edging lobelias (Lobelia erinus) and their hybrids are tender perennials grown as warm-weather garden annuals. Often grown as container and edging plants, they can have bushy or trailing habits. The tiny five-petaled flowers bloom in shades of blue, purple, rose, and white, with some accented by white eyes.
Is blue lobelia a perennial?
Great blue lobelia (Lobelia siphilitica), also called blue cardinal flower, is another native perennial wildflower that bears long-lasting bright blue flowers.
Can you leave lobelia in the ground?
How to Overwinter Lobelia Annuals. In warmer zones, annual Lobelia can remain outdoors and will continue to bloom if cut back. Eventually, the plant will die out but should reseed. Northern gardeners will have to plant these Lobelias in containers and bring them indoors before any danger of frost.
Does lobelia grow back every year?
How long does it take for lobelia seeds to germinate?
Is blue lobelia invasive?
The nectar and pollen of the flowers attract primarily hummingbirds, bumblebees and other long-tongued bees. Extremely hardy, low care, and fairly pest and disease-free, Great Blue Lobelia tends to be short-lived, although it may self-seed in ideal growing conditions (without becoming invasive).
Do lobelia come back each year?