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Classification. Our daffodils are classed and named as referenced in our official sources: Daffodils to Show and Grow and Abridged Classified List of Daffodil Names 2003 and The International Daffodil Register and Classified List 1998 published by The American Daffodil Society and The Royal Horticultural Society respectively. There are thirteen divisions of daffodils. Twelve divisions are determined by the physical characteristics and genetic background of each cultivar and the thirteenth division lists daffodils distinguished solely by botanical name.

Hardiness and Spacing. Unless otherwise noted, all daffodils are hardy in Zones 3 to 8. All grow best in full sun or dappled shade, but some varieties, the pink and red cupped varieties mostly, give truer and longer lasting color in a semi-shaded spot. In warmer Zones 9 and 10, choose daffodil varieties that will grow without the need for a cold period. Hardier varieties, however need to be precooled for 8 to 10 weeks at 40°F to 45°F before planting in December.

How to Grow. For best results, plant your daffodils in mid-autumn in well-drained, sandy, humus-rich soil. Add bulb food or bone meal and mix it well in the soil beneath the bulbs. For best perennial performance, daffodil foliage needs full sun and proper watering. Let foliage die back naturally before removal. Always detach the top inch of the flower stem so the daffodil will increase its bulb size instead of making seed. Plant daffodils 6 to 8 inches deep, less for smaller species bulbs. In early spring, top dress with a balanced commercial fertilizer.

Daffodil Bulb Sizes Can be Confusing. In Holland, daffodils and most other bulbs are graded into several sizes. All daffodil bulbs have at least one "nose" from which the stem, leaves and flowers emerge. Some daffodils regularly produce bulbs with one, two, three, or more noses. These bulbs are usually sized by weight (mass) of the bulb and not by the number of noses. A "double nose" bulb, then may not be the largest; the term only describes what the bulb looks like, not its size. Some daffodils, especially species and miniatures, practically never produce bulbs with multiple noses. When daffodil bulbs are ovoid (round with one nose), they are sized by measuring the circumference.

We ship top size bulbs. At McClure & Zimmerman, we ship only Top Size or DNI, the largest size daffodil bulb by mass available for the current season.

Due to excessive shipping costs, we no longer ship to AK, HI or outside the continental U.S.