Erysimum Winter Party Plug Plant - Wallflower

The plug plants of 'Winter Party' Erysimum can be planted in pots and containers or directly in the ground in a finely prepared and enriched soil. Plant them as soon as possible, in September-October. If the intended location is not yet ready or the conditions are not favourable for planting (heavy rain or too dry soil), you can grow them in pots for 4 to 6 weeks. At planting or shortly after, you should pinch the tip of the plant between your thumb and index finger to remove the terminal bud and stimulate branching. You can repeat this operation until mid-October to obtain denser bushes.

In pots and containers, use a good, well-draining potting compost for flowering plants (for example, with plenty of bark or perlite) and enriched with slow-release fertilizer. The top of the plug should be level with the potting soil. Water generously at planting and in the following weeks, as the plug plants can dry out quickly. However, be careful with excess water! Make sure to use containers with drainage holes and empty the saucer 10 minutes after watering. Remember to water even during winter if it doesn't rain or if the container is placed in a sheltered location. Do not water during freezing periods.

From 3 weeks after planting until after flowering, apply a liquid fertiliser for flowering plants 1 to 2 times a week with the watering water, even in winter (as long as watering is necessary). The faded spikes can be cut with scissors to maintain a neat appearance, but it is not essential, as the flowering continues as long as the plant does not lack water. Once the flowering is over, the plants in pots can be replanted in the garden in full sun, in a rockery or in a flower bed, after being pruned by about 5 cm (2in).