Lobelia Erinus Compacta 'Crystal Palace' Seeds


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'Crystal Palace' is still considered by most keen gardeners to be the very best Lobelia for border edging and formal bedding. The deep blue flowers offset by dark, bronzed foliage will provide a long lasting and stunning display from late spring through to early autumn.

Lobelia erinus, an annual, is a compact, bedding variety of Lobelia, which forms dense, brilliant mounds about six-inches tall. It is ideally suited for use as a ground cover, an edging plant along sunny or partially-shaded pathways, tucked into rock gardens, or artfully blended together in lush masses of mixed colours. Blur your vision while looking at such a planting and you’ll think you’ve slipped into a Monet canvas. 

Pretty Wild Seeds are registered with the Department for Environment, Food & Rural Affairs (DEFRA) under number 7529, so you can have confidence in both our products and advice. Although our products are listed in weights and acres, we can supply in additional quantities upon enquiry so if you need a larger supply, please don't hesitate to give us a call.

  • 6,000 seeds for £1.99
  • 0.5g 18,000 Seeds for £2.99
  • 1g 36,000 seeds for £3.99
  • Quantities from: £1.99




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    The Lobelia Erinus Compacta 'Crystal Palace' Seeds is shown in Flower Seeds > Annuals Seed.

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    We happily accept returns within 14 days from date of delivery. All returns must be received in the same condition and packaging we sent them. Postage charges will not be refunded on unwanted products.

    You are solely responsible for ensuring the goods are returned to us. We will not be liable for returns that are lost in the post or lost for any other reason. If a product arrives damaged we will advise the customer how to return the item with all return costs covered by us.  Replacements & refunds will be dispatched / issued on receipt of the returned items only.

    Sow indoors in late winter to late spring. Sowing to flowering is about 16 weeks; they will flower happily until the first signs of winter. To get the most from your plants, sow early in the year. However, Lobelia erinus have such a long flowering period, so long as temperatures are around 15 to 20°C (60 to 70°F) while they germinate they can be sown up to late spring.

    Sowing: Fill a seed tray or pot with moist seed compost. Stand the tray in water until completely moist and then drain off the excess water.

    Sow seeds as thinly as possible over the surface of the compost. The finer you sow them, the easier pricking out will be. Mixing the seeds with silver sand may help a more even distribution of seeds. Lightly press the seeds into the compost. Do not cover them with soil as they need light to germinate. Place in warmth 15 to 20°C (60 to 70°F), and keep moist at all times.

    Germination will take 10 to 14 days. Keep the seedlings in a light position, but shade from bright sun. When large enough to handle (usually after 5 to 6 weeks) transplant 5cm (2in) apart into trays of potting compost. It is easier to transplant little clumps of Lobelia seedlings than to try to transplant single seedlings.

    Cultivation; Gradually accustom plants to outside conditions for 2 to 3 weeks before planting out when danger of frost has passed, usually from the end of May. The plants will spread so allow 15cm (6in) between plants.

    Lobelia erinus will grow best in a cool spot with partial shade. Before planting, add some organic matter or a controlled release fertiliser into the soil.

    It does not like hot, dry weather; in midsummer they can be rejuvenated by cutting them back by half their height, which also will help them become bushier. Reapply fertilizer and water them well. Keep plants moist at all times, if the plant does dry out it will die back, if this happens cut it back and it should produce a second flush of growth.