Garden lobelia — фото

    Garden lobelia

    Lobelia erinus

    Compact or trailing Lobelia erinus with masses of small vivid blooms — a staple for window boxes and front-of-border accents. Across much of the CIS start from dust-like seed indoors; keep roots cool, site in sun or light shade with steady moisture.

    Stages of growth

    1-55
    40-90
    75-180
    🌱
    🌿
    💙

    Calendar in the garden

    Jan
    Feb
    Mar
    Apr
    May
    Jun
    Jul
    Aug
    Sep
    Oct
    Nov
    Dec
    Current month
    Seedling/propagation
    Feb - Apr
    Planting in the ground
    May - Jun
    Peak flowering
    Aug - Sep

    How to care

    Watering

    Fine mist or bottom watering — avoid washing seeds away

    💡Tips
    • Cover tray with film until sprouts appear (7–14 days)
    • Provide long daylight under LEDs to prevent stretching
    • Prick out once second pair of leaves expands

    Difficulty growing

    Average
    Overall Difficulty

    Requires basic knowledge and regular care.

    Easy
    Average
    Difficult

    Growing conditions

    Frost resistance zone
    Treated as annual outdoors across CIS; light frost may brown blooms — cover young baskets
    Temperature range
    Germination +18–22 °C; growing season +15–25 °C; sultry heat above +30 °C stresses compact forms
    Lighting
    Full sun for richest blues on upright forms
    Also suitable: Light afternoon shade helps baskets in July heat

    Nice neighbors.

    Soil preparation

    pH
    Soil acidity
    6.0–7.0
    Soil type
    Loamy fertile mixes with extra peat or coir for moisture retention, Commercial peat-based seedling mix for germination

    Planting parameters

    📏Distance between plants
    15–20 cm in borders; tighter in baskets
    ⬇️Planting depth
    Press seeds onto moist soil surface — do not bury tiny seeds
    🌱Planting methods
    Indoor seedling Feb–Mar, Ready plugs from nursery

    💡Preparation Tips

    • Dig the bed to a depth of 25-30 cm
    • Add compost or humus (5-10 kg per m²)
    • If necessary, adjust pH with lime or peat

    Frequently asked questions(3)

    Often damping-off from cold wet compost or fungi — use sterile mix, thin overcrowded trays, and gentle airflow.

    Classic iron chlorosis on alkaline mixes — acidify gently or switch feed containing chelated iron.

    Rarely worth it for bedding strains — cheaper to sow fresh seed next spring or overwinter cuttings of prized cultivars only.

    Role in the garden

    Dense pollinator-friendly ribbons of colour edging vegetable beds without shading crops.

    *For reference: the plant is grown primarily as an ornamental.

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