Which plants to grow in a greenhouse

A greenhouse enables you to prolong the growing season and to grow plants that otherwise couldn't cope with our climate. In this blog we love to introduce plants that you can grow in your greenhouse.

 

Pre-sowing

A greenhouse offers you a first-class opportunity to substantially prolong the growing season, and to enjoy specific plants much sooner, by pre-sowing. If needs be, extra sources providing warmth and light enable you to let seeds germinate as early as February or March.

Exotic plants

Not all plants do well in our gardens, because of our relatively cool climate: it is either too cold, too wet, or too dark, because of little - or even lacking - sunlight. Yet you may enjoy these plants: by growing them in a greenhouse. Helped by heating systems or greenhouse lighting you can give these particular plants what they need. Added warmth or light isn't always necessary, for in any greenhouse temperatures are higher than outside (since there is no wind inside) and that may already be sufficient. Besides, its many windows usually let in enough light. On seed packets you'll find accurate information on what your plant needs to be able to grow.

Vegetables

A number of vegetables do much better in a greenhouse than outside in the garden (some will not even grow there at all). Examples are:

  • Aubergines - or eggplants, as they are also known. They need lots of warmth for good growth. Aubergines are climbers so you'll have to support them with canes or a trellis.
  • Tomatoes - there are countless varieties, all differing in colour, size and taste. Tomatoes do particularly well in greenhouses and turn out to be big plants that need sturdy support.
  • Red/green peppers - peppers too are best grown in greenhouses. Either let them ripen on the plant or pick them when they are still green, and let them ripen in the sun. In this way your pepper plant gains space to develop new fruit, resulting in bigger harvests.

Herbs

In summer most herbs will perform well outside. But should you wish to enjoy them longer, grow them inside. This applies especially to some Mediterranean herbs preferring a sunny and rather dry spot, like rosemary, thyme and sage.

Fruit

Apples, pears and red currants are perfectly equipped to form lots of produce in our Dutch climate, whereas exotic fruits may suffer, and will feel much better in a greenhouse. Examples are:

  • Melon - grow your own water melons in a greenhouse. Best not let them climb, but allow them to grow on the ground as they will become quite heavy.
  • Kiwi - kiwi also needs warmth and sunshine. Prune this fast growing plant twice a year to prevent it to naturalize.
  • Passionflower (and fruits). Passiflora caerulea is the flower you are likely to see in gardens. They produce hardly edible fruits. For truly tasty passion fruit choose Passiflora edulis, and put it in your greenhouse.