This Anglo Aquatics Caltha Palustris ‘Plena’ is a Marginal plant that comes with yellow double flowers and is ideal for placing in shallow edges or on shallow planting shelves.Marginal plants are perfect for the borders of your pond where the water is most shallow, or perhaps on a planting shelf. They are able to tolerate waterlogged soil but should be planted no deeper than four inches below the water level. These hardy aquatic plants can be grown outside of the water also, as long as their soil is kept consistently moist.Benefits: As Caltha palustris, but with beautiful double yellow flowers in early spring. It was first discovered and cultivated in Austria in the late 16th century.Specifications:Sun/Shade: Full sun to part shadeFlowering Months: Mar & AprNative: NoGrowth Rate: SlowBest Growing Season: SpringMinimum Height: 20cmMaximum Height: 30cmMaximum Depth: 10cmHelpful Tips: After flowering in March and April some foliage will die back. Remove dead leaves and flower heads to tidy and encourage a potential second floweringRepotting or Replanting: 9cm marginal plants require potting into a larger mesh basket. Place in a pond no deeper than 1/3 maximum recommended planting depth to allow the plants to establish. 1 litre marginal plants do not require repotting, place in pond no deeper than 1/2 maximum recommended planting depth to allow the plants to establish, plants over 60cm height growth will benefit from repotting into a larger mesh basket or should be planted in gravel to prevent them from falling over. 3 litre and 5 litre plants do not require repotting, as they are larger more established plants they can be placed up to the maximum recommended depth. There is no need to remove the mesh basket.Established in 1965, Anglo Aquatic Plant is a family owned business who provide high quality plants and exceptional service. Their main nursery is based in Enfield, just north of London. Their experienced team take care of a wide variety of both native and continental plants. This product benefits from a specialised plant shipment service and is delivered directly from the supplier. All products are packaged with extreme care and transported in specially designed plant containers. Delivery takes 2-7 working days and will arrive quicker during the Spring and Summer seasons. Delivery is only available to England and Wales mainland for this product.Please note: Plants and Molluscs are classed as perishable goods and are excluded from our returns policy. This does not affect your statutory rights. See our Cancellation & Returns page for further details. In the unlikely event that you receive your goods damaged or you have been sent the incorrect item, please report your issues to our customer service team within 24 hours. Perishable goods cannot be returned unless we have sent the wrong item, or they are damaged.