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Annual · Campanulaceae family
Lobelia erinus
Where to plant and how much to water
It grows best in full sun to part shade, in average to moist soil.
How much space it takes
The mature plant next to a person (69 in).
Plant 7¾ in apart.
The final size depends on the cultivar and the spot — we give the range from smallest to largest.
Calendar
Typical for a temperate climate (four seasons). The line shows the current month.
April–June · blue, purple, pink, white or red
sow indoors: February–March
April–May
What to plant now (February) full list in February (20) →What to plant now (March) full list in March (284) →
Feeding
up to 0.29 oz/sq ft a year, if the soil needs it · April–May
Pests and diseases
The most common problems in Central Europe. Protection is listed from the gentlest option.
Irregular holes in leaves and slime trails, especially on young plants in damp weather.
Irregular holes in leaves and slime trails, especially on young plants in damp weather.
What to combine it with
They share the same sun and soil and flower in other months — so the bed flowers for longer.
Frequently asked
In April–June; the flowers are blue, purple, pink, white or red.
In February–March (sow indoors).
It tolerates part shade (3–6 hours of sun), but not full shade.
At maturity 5⅞ in–11¾ in wide and 5⅞ in–9⅞ in tall; recommended spacing 7¾ in.
Changing growing practices is the best strategy; protect young plants. Evening collection by torchlight in damp weather; barriers (copper tape, wool pellets).
Similar plants
Uses
