How much light do lobelia plants need?
Annual lobelia will grow nearly anywhere. Lobelia seeds can be sown directly in the garden or indoors for later transplanting. These plants typically require an area with full sun but will tolerate partial shade. They also prefer moist, rich soil.
How do you propagate lobelia?
If you can find some new growth stems on your lobelia, choose a 4-5-inch stem, one with three or four nodes (these are the buds where the leaves emerge). Push the cuttings into a wet potting soil, leaving about half the stem above the soil. Place your cuttings in a protected shady place.
Does lobelia grow in shade?
Annual bedding lobelias will grow in both full sun or partial shade. A lightly shaded position, or one out of strong, direct sunshine, will ensure plants go on flowering profusely for a long time – especially during very hot summers. They need a good, fertile, reliably moist soil, that doesn’t dry out in summer.
How do you propagate perennial lobelia?
Propagating lobelia from cuttings is not difficult, as the plants tend to set roots quickly. Cut a 6-inch section of lobelia stem that includes two leaves. Take the cuttings while the flowers are still buds. Remove the lower leaf and cut the upper leaf in half with sharp scissors.
Can lobelia grow indoors?
Growing Lobelia Plant Lobelia seeds can be sown directly indoors. These plants typically require an area with full sun but will tolerate partial shade. They also prefer moist, rich soil. Start indoors about 10 to 12 weeks prior to the last frost in your region.
Is lobelia self seeding?
Lobelia Winter Care – Tips For Overwintering Lobelia Plants. There are many types of Lobelia. Annuals will usually self-seed and come back the next year, while perennials will re-sprout from the dormant plant in spring.
Can you take lobelia cuttings?
Yes. Cutting back lobelia plants improves their appearance and health. It also encourages the plant to produce more flowers over a longer period of time. The three types of pruning that benefit lobelia plants are removing spent flowers, pinching, and cutting back.
Can I propagate Lobelia cardinalis?
Perennial lobelia varieties can also be divided in spring. Propagate Lobelia cardinalis by taking softwood cuttings in summer.
Why do my lobelia keep dying?
Too Little Water. During warm weather, lobelia leaves and flowers can dry out. If the dehydration is too severe, the plant may die. Water your lobelia in pots consistently so the soil stays moist and never draws away from the side of the container.
What is the easiest plant to propagate?
Plants that are easy to propagate with stem or leaf cuttings
- Pothos.
- Tradescantia.
- Umbrella plant.
- African violets.
- Rosemary.
- Philodendron.
- Prayer plant.
When should I take cuttings from lobelia?
All lobelias need a spot in full sun or part shade, and reliably moist soil. The annual varieties don’t need deadheading but can be cut back in mid summer to maintain bushiness and good flowering. Deadhead perennial varieties once they’ve finished flowering and cut foliage back in autumn.
How big does a Russian princess Lobelia get?
Lobelia x speciosa ‘Russian Princess’ (Cardinal flower ‘Russian Princess’) will reach a height of 0.75m and a spread of 0.4m after 2-5 years. Plant in partial shade in fertile, moist soil.
Is there a red Lobelia cardinalis?
Lobelia Cardinalis has deep burgundy foliage and rich pinky purple or red flowers for hot coloured planting schemes. RHS is currently offering Russian Princess variety at £15 + p&p (so the colours need to be rich). A three foot high Lobelia x speciosa Vedraniensis flowers with the traditional 5 lobed blue-indigo flowers.
What does a Russian princess plant look like?
‘Russian Princess’ _ ‘Russian Princess’ is an upright, clump-forming perennial with lance-shaped, purple-red to bronze-red leaves and erect racemes of red flowers from midsummer to early autumn. Lobelia x speciosa ‘Russian Princess’ (Cardinal flower ‘Russian Princess’) will reach a height of 0.75m and a spread of 0.4m after 2-5 years.
How do you plant Lobelia?
Plant in deep fertile soil which is reliably moist in summer. (You can tell this is moist by the moss) Lobelia grow well in sun or partial shade. Some varieties are a bit short lived 3-4 years but as they are so spectacular it is worth splitting clumps or taking cuttings to get re-energised plants at least in alternate years.
