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Basics of Hardy Bulbs

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Hardy bulbs can give us a gorgeous spring show, bountiful bouquets and years of pleasure. At The Growing Place, we strive to offer rare and unusual varieties in addition to the typical crocus, tulips and daffodils. As you browse, choose a variety of bulbs to ensure weeks of blossoms. Bulbs are one of the easiest plants to grow!

What is a Bulb

Flower bulbs are special plants designed for survival. Most evolved in regions with harsh growing conditions. They are food storage units surrounding a flower bud that is ready to burst forth and grow. Spring flowering bulbs do need a cooling period, but basically, if you plant them, they will grow. Plant a wide variety of bulbs and you will have flowering from late winter until early fall.

Where to Plant

Bulbs don’t like ‘wet feet’. Most adapt to many soil types but nearly all prefer a loose, well-drained soil. Avoid areas where water collects, such as the base of a hill. Heavy soils can be improved by mixing 3 to 4″ of a variety of organic materials such as The Growing Place Garden Mix,mushroom or garden compost into the existing soil. (A few bulbs are the exception to this rule;Galanthus, Puschkinia, Leucojum, and Camassia are tolerant of a wet site.) Spring flowering bulbs prefer bright sun but will tolerate partial shade. They provide the best display when planted in clusters or groups, not like toy soldiers in a row.

When to Plant

Spring flowering bulbs should be planted in the fall after nighttime temperatures drop into the 40s or low 50s for two weeks. In this area, it is usually October. Care should be taken to store bulbs in a cool, dry place away from direct sunlight if not planted. Some bulbs however, are best planted immediately, including Colchicum and fall-blooming Crocus, which will flower in the fall. This also applies to spring blooming Galanthus, Erythronium, Fritillaria and Anemone, which tend to dry out if left unplanted. Bulbs can be planted until the ground freezes.

How to Plant

As a general rule, plant bulbs at a depth three times their height and two to three bulb widths apart (example: A bulb 2″ in height should be planted at a depth of 6″). Plant with the point up, flat side down. If it is impossible to identify the top of the bulb, plant it on its side. Cover with loose soil and press down lightly. Water in well after planting to help roots establish.
Fertilizing

Fertilizing encourages the production of blooms and increases longevity. Mix a low-nitrogen, high-potassium fertilizer (such as Espoma Bulb-tone) into the soil when planting. Ideally, fertilizing should be repeated every year in the spring when the foliage begins to emerge and in the fall to help the bulbs build strength for flowering the following spring. (Planting a few Muscari, Grape Hyacinths,near your other bulbs will remind you where they are planted since the Muscariproduce foliage in the fall.)

Watering

Water thoroughly after planting. During active growth, bulbs need regular watering. Spring weather usually provides enough rain, but during dry spells, water thoroughly since bulb roots grow deep.

After Care

After blooms fade, clip flower heads, especially on tulips. This channels energy back to the bulb and not used for producing seeds. The leaves need to be left to wither for six weeks or so, allowing photosynthesis to recharge the bulb. Do not braid the foliage or cover with mulch. You may want to consider companion plants such as daylilies or hosta to help disguise the foliage. After yellowing, cut leaves back to ground level. Naturalizing bulbs such as Narcissus and Scilla multiply and can be dug up and divided when they start to get crowded. This can be done in the fall or after they flower in the spring.

Replant at the same depth, and if moving in spring, leave any foliage that is still green to die back naturally.

Aurora Location

2000 Montgomery Road,

Aurora, IL 60504

Phone. 630-820-8088

Naperville Location

25w471 Plank Road,

Naperville, IL 60563

Phone. 630-355-4000

Spring Hours

 Monday-Friday: 9:00am-7:00pm
Saturday: 9:00am-5:00pm
Sunday: 11:00am-5:00pm 

 

Growing for the future with
right plants in right places.