Lobelia plants are basically an attractive looking annual herb that is readily available in different varieties. Today, there are now biennial varieties. As an introduction, lobelia is a plant that you can easily grow and enjoys the cool weather. The plant will continue to yield flowers up to the initial arrival of the cold season. For an additional plant in your garden or backyard, the lobelia is the right choice.
Even though there are many varieties of lobelia available, only few are commonly seen. It includes the L. inflata (Indian tobacco), L. siphilitica and L. cardinalis (Cardinal flower).
Majority of the varieties of lobelia are typically compact which grows only 3-5 inches in height while some can grow up to 3 feet. In terms of the colours of these plants, they tend to vary with pink, red, white and blue colours.
Nevertheless, the blue-violet combination is a common variety. If you are planning to add these plants to your garden, they are great if positioned on the borders, surrounding ponds or creeks, as ground covers or even in pots or hanging baskets.
The annual lobelia can easily grow in any location. All you have to do is to sow the seeds of the lobelia directly in your garden or grown indoors. Take note that these plants usually need a space that is directly under sunlight but can also tolerate areas with partial shade.
These plants also prefer soil that is moist and rich. To start the planting, you can start indoors about 10-12 weeks before the last frost in your area. Simply distribute the seeds on the top soil and water thoroughly.
Make sure that they are positioned in an area that is properly lit and warm. After a week or two, the seedlings will pop out. It is also the time to start thinning them. After the frost, the lobelias are about 2-3 inches tall, thus you can transplant them to your garden. Do not forget to provide 4-6 inches space apart when planting them.
Once the lobelia plants are established, they need minimal maintenance. During the dry and hot season, make sure that the lobelias will receive adequate watering, especially those that are planted in pots or baskets. You can even add fertiliser every month if needed. Overall, the lobelias can add a touch of colour to your garden. With its lovely blossoms during the summer, it is definitely a great addition to your garden or open space.