Iberis Magical® Summer Vibes
Iberis sempervirens, the perennial candytuft, is a species of flowering plant in the family Brassicaceae, native to southern Europe. Iberis is popular as a rock garden plant. They form colorful flower carpets that can hardly be surpassed. This plant is a very good grower and branches beautifully. It blooms for a long time with pink lavender flowers.
Suitable for a 2 liter pot. It only takes 8-12 weeks to grow into a flowering plant.walterblom.nl/product/iberis-magical-summer-vibes

Monarda Elegant™
These hairy leaved perennials have aromatic foliage that forms clumping mounds that burst into flower from mid to late summer. The modern selections are more compact and disease resistant making them excellent garden plants.Very attractive to bee and butterflies. Bulkier plants suitable for 3 to 5 litre pots.walterblom.nl/product/monarda-elegant-rose

Polemonium reptans Violet Heart®
Polemonium reptans types are more compact, with flowers held close above the foliage. Polemonium flower in the late Spring to early Summer  and offer great flower and foliage combinations. Violet Heart® has purple green foliage and white flowers with purple eyes/heart that are lightly fragrant.walterblom.nl/product/polemonium-violet-heart