How to grow Long Day crops
It is important to know which crops are long day sensitive to enable them to perform & flower on demand. Follow the guidelines below to better understand how to break dormancy of these perennials.
Night Interruption Lighting
The best way to accomplish this is an incadescent light bulb string, hanging over a crop and scheduled to shine from 10 pm to 2 am.
Break Dormancy of Long Day 50 plugs
When grown from a dormant 50-Plug, these varieities require night temperatures no less than 65°F and 'night interruption' lighting. The results are AMAZING!
For more specific instructions, including detailed temperatures & scheduling, Click Here, Perennial Lighting Info/Instructions. If you still have questions please reach out to Hans Stokes at 641-478-3217.
List of Long Day crops
- Agastache - all varieties
- Akebia Chocolate Vine
- Allium Nodding Pink Onion
- Ampelopsis Porcelain Vine
- Aronia Viking
- Artemisia - all varieties
- Aruncus - all varieties
- Asclepias - all varieties
- Aster Alma Potshke
- Aster Frikartii Monch
- Aster Kickin' Series
- Aster Purple Dome
- Aster Winston Churchill
- Aster Wood's Series
- Astillbe Pumila
- Baptisia - all varieties
- Buddleia - all varieties
- Callirhoe Wine Cups
- Campanula All Carpaticas
- Campanula Pink Octopus
- Campanula All Punctatas
- Caryopteris Dark Knight
- Celastrus Indian Mix
- Ceratostigma Plumbaginoides
- Chelone - all varieties