Lobelia x 'Periwinkle Blue Improved'

Lobelia

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Common Name:

Lobelia

Plant Type:

Annual

Flower color:

Foliage color:

Green

Sun (From 0 to 5):

4

Water (From 0 to 5):

2

Maximum temperature:

25°C

Minimum temperature:

7°C

Maximum height:

30 cm

Maximum width:

20 cm

Lobelia (Lobelia x 'Periwinkle Blue Improved') - Description

Full, semi-trailing plants display intense blue-purple flowers highlighted by large white centers.

Lobelia (Lobelia x 'Periwinkle Blue Improved') - Blooming

All have tubular flowers that are slit almost to the base to form two lips. The top lip has two lobes and the bottom one three. Flowers are single or in erect racemes or panicles in shades of blue to red to white to yellow. To enhance flowering, implement a balanced liquid fertilizer biweekly between spring and early summer. From there, apply a nitrogen-free fertilizer biweekly til the end of the growing season.

Lobelia (Lobelia x 'Periwinkle Blue Improved') - Growth

Diverse genus of annuals and perennials, and shrubs, treelike plants, and aquatic species. The tallest can reach 30 feet. The most common are 2-4 feet. All have simple leaves. The plants are short-lived, but will self-sow in favorable sites. Grows best in full sun or partial shade.

Lobelia (Lobelia x 'Periwinkle Blue Improved') - Planting

Sow seeds of annuals in late winter; sow perennials when seeds are ripe. Propagate aquatic species by division in summer. Divide border perennials in spring.

Lobelia (Lobelia x 'Periwinkle Blue Improved') - Pest

Slugs. Lobelia is also prone to leaf spots, rust, and smut.

Lobelia (Lobelia x 'Periwinkle Blue Improved') - Interesting facts

Lobelia produce milky sap which may aggravate the skin upon contact. Species are found in tropical and temperate regions across the globe.

Lobelia (Lobelia x 'Periwinkle Blue Improved') - Soil and irrigation

Rich, constantly moist soil. Marshy spots or along streams or ponds work well. Aquatic species prefer acidic soil.