ADR Bulbs

Create Account
Forgot Password?
Keukenhof Holland: Official Exhibitor
Shopping Cart

Professional Resources

In this section you will find our convenient flower bulb, and mulch calculators. These tools can help you plan out how many bulbs per square foot to plant, how close together the bulbs should be planted and how much mulch you will need to complete your job!

The Growing Instructions section contains detailed instructions on planting flower bulbs by type as well as detailed information for customers in warmer climate zones

We also offer general flower bulb planting and storage tips, as well as information on pest resistant flower bulbs, container gardening, combination planting and naturalization!