Lobelia To Flower. It prefers moist acidic soil. Lobelia Lobelia erinus is a dainty little trailing plant that comes in shades of blue purple lilac and whiteThey are easy to grow annuals that provide a great ground cover or contrast in rockeries garden edges pots and hanging baskets.
The three types of pruning that benefit lobelia plants are removing spent flowers pinching and cutting back. In zone 3-9 from summer to early fall. Siphilitica or blue cardinal flower is another perennial wildflower with long-lasting tall stems that feature bright blue flowers.
It also encourages the plant to produce more flowers over a longer period of time.
Lobelia are easy-to-grow carefree plants that makes great additions in borders along creeks or ponds as ground covers or in containersespecially hanging baskets. The three types of pruning that benefit lobelia plants are removing spent flowers pinching and cutting back. Lobelia are easy-to-grow carefree plants that makes great additions in borders along creeks or ponds as ground covers or in containersespecially hanging baskets. 26062020 Bedding lobelia Water plants whenever necessary to keep the soil or compost moist as this will prolong flowering.