Sometimes called dwarf lobelia to distinguish from tall perennial types, many lobelia annual varieties occur in hues of sky or true blue, a hard-to-find flower color that is coveted by gardeners. Lobelia flowers can also be white, pink or purple.

Generally growing 2-3 ft. tall (60-90 cm) and spreading 12-18 in. (30-45 cm), this clump-forming Lobelia thrives in rich, humusy, medium to wet soils in full sun to part shade. Appreciates some shade from the hot afternoon sun and loves a lot of moisture.

2023年2月7日 · Lobelia (Lobelia erinus) is a tender perennial widely grown as an annual plant in most USDA zones. It is commonly sold in the annuals section of the nursery and has a wide variety of uses in the garden. Lobelia spreads, but not aggressively. Most varieties of lobelia have a somewhat trailing growth habit, although other varieties clump.

Lobelia gibbosa, commonly known as tall lobelia, is a small herbaceous plant in the family Campanulaceae native to Western Australia. [1]The annual herb has an erect and slender habit. It typically grows to a height of 0.1 to 0.5 metres (0.3 to 1.6 ft). It blooms between November and March producing blue flowers.

2024年8月1日 · This perennial’s tall, showy flower spikes bloom from late summer to fall. This native wildflower is an herbaceous perennial. It grows up to four feet tall and up to one-and-a-half feet wide. In ideal conditions, lobelia spreads by self-seeding and root rhizomes, creating attractive colonies without becoming aggressive.

2021年8月16日 · All you need to know about growing lobelia, including planting, care, troubleshooting and watering. Advice from the experts at BBC Gardeners' World Magazine.

Blue cardinal flower grows 2 to 3 feet tall with spikes of blue flowers. Regardless of the type of lobelia you grow, all species grow best in well-draining, but moist to very moist soil. Lobelias tolerate full sun to partial shade, but prefer some shade in hot climates.

2024年12月20日 · This tall, stately native flower stands with a light saber of blue flowers in the summer. Butterflies and hummingbirds both love this plant. Great Blue Lobelia is easy to plant from seed; seeds planted in the spring will flower later in the summer.

Great Blue Lobelia is a herbaceous perennial that may grow 3 to 4 feet tall. The leaves are alternate with a toothed margin. Blue flowers first mature in mid-summer and continue into early fall. The flowers are larger than other Lobelias and have stripes on the tube portion.

Height and width: Edging Lobelia (Lobelia erinus) grows 4 to 8 inches (10-20cm) tall; Cardinal flower (L. cardinalis and L. x speciosa) grow 2 to 4 feet (.6-1.2m) tall and 1 to 2 feet wide. Foliage: Small, narrow, green or bronze leaves