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SoCal: Falling for Bulbs

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Muscari Latifolium
Photo Credit: Jessie Keith
There are several species and many varieties of grape hyacinth you can plant in fall to create a wonderful bluish-purple carpet in spring.

Gardeners are believers – who else would plant a tiny seed and stand back and expect a gorgeous flower or crunchy carrot to grow? Gardeners keep their faith in bulbs, too, even though it seems unreal that these unattractive little things – not even as handsome as an onion – can produce stately giant trumpet daffodils or statuesque tulips to light up the garden each spring.

And for Southern California gardeners (as well as gardeners in most of North America), planting bulbs is high on the list of fall chores to get done before December.

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Freesia Oberon Blooms
Photo Credit: International Flower Bulb Centre
Freesias produce some of the most fragrant spring flowers.

For beginners, bulb planting is a mystical rite full of questions: How deep do I plant? Which end goes down? How far apart should they be? When will I see them sprout? Do I water? How much fertilizer do they need? How can I tell if there’s a disease? When will they flower? Even for the seasoned gardener there are some new things to learn – and maybe even some new varieties to try.

No matter your level of gardening experience, the cardinal rule for bulbs is to get the ones you want before planting time. You can plant fall bulbs that will bloom come springtime in Southern California anytime from late September until early December, but if you procrastinate for too long you probably won’t find the type of bulbs you want – or worse yet, the quality of what’s left may be questionable.

Facts
  • Yes, you do need to water fall-planted bulbs. First, water them in right after planting. Then, if seasonal rains dry up, water them as needed until the bloom show starts.
  • One kind of tulip that doesn’t need any vernalization is Tulipa greigii (or T. kaufmanniana). You get spring-blooming tulip beauty without the cold storage or repeat digging.
Faqs
  • Q: When I’m planting, which end of the bulb goes down?
    A: Generally, the pointed end goes down, but the evidence of any roots will give you the definite answer. When it comes to ranunculus, the prongs go down.
  • Q: How deep should fall bulbs be planted?
    A: The rule of thumb is to plant three times the depth of the bulb. That means around 6-8 inches deep for tulips and daffodils, and 2-3 inches for small bulbs.
 
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  • Better Bulbs
    Setting appropriate goals and buying the bulbs that are right for your growing conditions will make the job of gardening with bulbs a simple and enjoyable passion.

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