How to grow Tulip 'Holland happening'
Keep in mind when planting that Holland happening is thought of as hardy, so this plant will grow or become dormant during the winter.
Growing Holland happening from seed
Sow at a depth of approx. 3.9 inches (10.0 cm) and aim for a distance of at least 3.9 inches (10.0 cm) between Tulip plants.
Transplanting Holland happening
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Holland happening is a hardy plant.
Harvesting Holland happening