Lobelia siphilitica

Magnificent true-blue flower spikes growing to almost a metre for large vases and brilliant spires for any flower bed. More
3000 seeds 157019 £1.95 In stock
[?]
Items will be despatched in 2-3 working days.
More Details

Magnificent true-blue flower spikes growing to almost a metre for large vases and brilliant spires for any flower bed.

Genus Lobelia
Group siphilitica
Type Hardy Perennial
Common Name Blue Cardinal Flower
Border Position Middle
Soil Type Acid, Sandy, Fertile, Alkaline, Clay, Neutral
Scent Unscented
Site Full Sun, Part Shade
Moisture Moist but Well-drained
Height 90cm (36in)
Spacing 30cm (12in)
Sowing, Seeds, Planting Surface sow, onto moist well-drained compost. Cold stratify for 2 weeks then move to warmth.
Care Tips Requires a moist soil in partial shade where summers are cool. Shade will increase the intensity of the flower colour. Do not allow to dry out, water daily in hot weather.
Flowering August - September
Vase Life Sear stem ends in boiling water for 15 seconds.
Harvesting Flower production: 2 months
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  • Sow Under Cover/Plant Indoors
  • Direct Sow/Plant Outdoors
  • Flowers/Harvest
Advice

We don't currently have additional advice on using / growing this particular product on our website, but if you do have a question that isn't answered on this page then please give us a call on 0345 092 0283 and we'll happily chat through any queries you may have, or email us on plantadvice@sarahraven.com (for advice on all things growing) or info@sarahraven.com for anything else.

Delivery

Seeds Delivery - Items will be despatched in 2-3 working days.

Click here to find out more information about our delivery rates and times.

Write a Review

Lobelia siphilitica reviews

There are currently no reviews for this product. Be the first to write one!

Write a Review
Review guidelines

Please let us know how you got on with growing our seeds, bulbs and plants, or using a piece of kit, or taking part on one of our courses or events.

We love hearing your garden success stories and sharing growing combos, advice and ideas with fellow enthusiasts. If you'd like to share a picture, we love receiving these on Facebook and Twitter.

Please note we may choose to use your review in other places within the sarahraven.com website.

If you've had a problem with one of our products, and for the quickest response, please get in touch with our Customer Service team who can deal with returns and refunds, as well as answer any questions you may have.