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Lobelia Cascade White Flowers


An essential part of every hanging basket or container, “Cascade” lobelia delivers a stunning display of vigorous trailing plants in pure white all season

198 in stock

SKU: rng_ Lobelia Cascade White _2020060315562749 Categories: , Tags: , ,


Lobelia Cascade White Flowers

Lobelia Cascade White Flowers .  An essential part of every hanging basket or container, “Cascade” lobelia delivers a stunning display of vigorous trailing plants in pure white all season. · Sow 4-8 weeks prior to the last frost under cover with warmth at 18-24C (65-75F) in a good fine seed compost. · Sow seeds on surface of compost and gently firm down the compost. · Keep soil damp but not wet, sealing in a polythene bag after sowing is helpful to retain humidity and save watering whilst young. · Do not exclude light · Germination takes 10-21 days depending on temperature. · When seedlings are large enough to handle, transplant in bunches to trays and grow on in cooler conditions. · Gradually acclimatise to outdoor conditions for 10-15 days before planting out after all risk of frost, 10cm (4in) apart in a sunny spot in light, moist soil.

Cultivation advice

  • Choose a site with partial shade to full sun. Provide afternoon shade, especially in hotter climates, to protect the plants from intense heat.
  • Lobelia Cascade White thrives in moist, well-draining soil rich in organic matter. Incorporate compost or peat moss to improve soil texture and fertility.
  • Plant lobelia seedlings or sow seeds after the last frost date in spring. Ensure they are planted at the same depth they were growing in their containers or follow seed packet instructions.
  • Space lobelia plants about 6 to 8 inches (15 to 20 cm) apart to accommodate their trailing growth habit and allow for proper airflow between plants.
  • Maintain consistently moist soil for lobelia. Water regularly, especially during dry spells, to keep the soil evenly moist but avoid waterlogging.
  • Apply a layer of mulch around the base of the plants to retain soil moisture, regulate temperature, and suppress weed growth. Organic mulches like shredded bark work well.
  • Use a balanced, water-soluble fertilizer or a slow-release fertilizer formulated for flowering plants. Follow recommended application rates and frequency for optimal growth.
  • Regularly deadhead spent flowers to encourage continuous blooming. Prune back any leggy growth to maintain a tidy and compact shape.
  • Shield lobelia plants from strong winds, as their delicate stems can be prone to breakage. Plant them in sheltered areas or use windbreaks if necessary.
  • Lobelia Cascade White is generally resilient but monitor for pests like aphids or slugs. Use organic pest control methods to address any issues.
  • In colder regions, mulch around the base of the plants to protect the roots during winter. Alternatively, treat them as annuals and replant the following year.
  • Regularly inspect lobelia plants for signs of stress, pests, or nutrient deficiencies. Adjust watering and care practices based on their needs.
  • Lobelia Cascade White is well-suited for containers, hanging baskets, or window boxes. Choose containers with good drainage and use a well-draining potting mix.
  • Incorporate Lobelia Cascade White in mixed container arrangements for a stunning trailing effect or to complement other plants with contrasting colors.
  • Pinch back Lobelia Cascade White when young to encourage branching and fuller growth. This simple technique helps create a more compact and lush plant.
  • Lobelia Cascade White prefers cooler temperatures. In regions with hot summers, provide afternoon shade or ensure consistent moisture to prevent stress.
  • Ensure good airflow around plants, especially in humid conditions, to reduce the risk of fungal issues.
  • Pair Lobelia Cascade White with other shade-tolerant annuals or perennials like begonias, impatiens, or ferns for a harmonious and varied garden display.
  • Consistently deadhead spent flowers to encourage continuous blooming. This practice helps maintain the plant’s appearance and promotes further flowering.
  • Consider using a diluted liquid fertilizer every few weeks during the growing season to support Lobelia Cascade White’s growth and prolonged flowering.
  • In containers or hanging baskets, provide sufficient space between Lobelia Cascade White plants to allow for their trailing habit and prevent overcrowding.
  • Regularly check soil moisture levels, especially in containers, to ensure consistent moisture without waterlogging. Aim to keep the soil evenly moist.
  • Plant Lobelia Cascade White early in the growing season to take advantage of cooler temperatures. In some regions, they might continue blooming into the fall.
  • Keep a close eye on the plants, especially during temperature changes or varying conditions, and adjust care practices accordingly for optimal growth.


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