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Lobelia x gerardii |
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| Common name |
purple lobelia |
| Family |
campanulaceae |
| Life cycle |
perennial |
| Flowers |
purple, red (summer) |
| Size |
3' |
| Light |
part shade |
| Cultural notes |
ordinary garden soil, not too dry |
From seed  |
germinate at room temperature, do not cover
Flowers first year from seed sown indoors early.
detailed seed-starting info below
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Great medium-height perennial. Small rosette of foliage, with flower stalks in summer. Unlike its parents, L. cardinalis and L. siphilitica, this one survives in normal garden positions (without constant moisture), as long as it doesn't get hit by afternoon sun. We've had 'Vedrariensis' (photos above) for a good number of years now – our first plants came from seed, and I've found that it comes true, sporting royal blue to purple flowers. Newer to our garden is 'Ruby Slippers' (photos below), a hybrid of the same parentage, but with deep magenta flowers and more sturdily upright habit. Unfortunately, it lasted only a year.
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We left this plant behind in our Pennsylvania garden (and wish it well); we don't grow it in Houston. About my plant portraits
PlantLinks to other web pages about Lobelia x gerardii
Visitors to this page have left the following comments| John Hamilton | Aug 30, 2008 | I think I have found one of these in my garden in Nottinghamshire. It is growing in a shady spot and I first saw it last year when there was one flower stalk. This year there are two, but I,m not sure if they are a single palnt or two. The 'ears'at the back of the flower are floppy in my plant, not so upright as in this picture. It is in flower now. Have I identified it correctly? |
| Karen Varma | Sep 02, 2009 | I love the Great Purple Lobelia plant, Lobelia x gerardii. The problem is that this perennial is not for sale anywhere that I can find; furthermore, I cannot find a company that sells the seeds for this very deep purple and tall lobelia. Can you help me find a source for the seeds or the plants.
I'm actually in the same situation - I've lost my plants, and will be trying to re-establish it sometime soon. I figure I'll try to trade for seed through GardenWeb, which is where I got my first supply. |
| Joe | Jun 09, 2011 | Check Woodlanders, Inc. They carry this one I believe |
- Seed from '01 trade. Baggy 70F with light (50%G, 8-28d). Not all seedlings survived
- Surface-sowed to 6-pack at 70F (67%G, starting 12d)
- Seed from '05 garden. Pot 70F, surface-sowed. Good germination, starting 12d)
- Seed from '09 trade. Baggy 70F with light (~80%G, 2-15d).
- Same seed as above. Baggy 70F with light (38%G, 10-23d)
- Seed from '12 garden. Baggy 70F with light (28%G, 13-19d)
- Seed from '12 garden. Baggy 70F (69%G, 9-21d)
I found it is better to leave sprouted seeds in baggy until leaves develop.
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