A bulb is an underground vertical shoot
that has modified leaves (or thickened leaf bases) that are used as food storage
organs by a dormant plant.
A bulb's leaf bases generally do not support leaves, but contain food reserves
to enable the plant to survive adverse conditions. The leaf bases may overlap
and surround the center of the bulb as with lilies, or may completely surround
the inner regions of the bulb, as with the onion. A modified stem forms the base
of the bulb, and plant growth occurs from this basal plate. Roots emerge from
the underside of the base, and new stems and leaves from the upper side.
Other types of storage organs (such as corms, rhizomes, and tubers) are
sometimes erroneously referred to as bulbs. The correct term for plants that
form underground storage organs, including bulbs as well as tubers and corms, is
geophyte. Some epiphytic orchids (family Orchidaceae) form above-ground storage
organs called pseudobulbs, that superficially resemble bulbs.
Plants that form true bulbs are all monocotyledons, and include:
Onion, garlic, and other alliums, family Alliaceae.
Lily, tulip, and many other members of the lily family Liliaceae.
Amaryllis, Hippeastrum, Narcissus, and several other members of the amaryllis
family Amaryllidaceae.
Two groups of Iris species, family Iridaceae: subgenus Xiphium (the "Dutch"
irises) and subgenus Hermodactyloides (the miniature "rock garden" irises).
The Tulip 'Design Impression', 'Tulipa darwin hybrid', a fall planted bulb, is one of the most well-known tulips around the world! This tulip has it all; it's variegated foliage creates early interest and this variety will produce massive pink flower...Read More
The Tulip 'Golden Apeldoorn', 'Tulipa darwin hybrid', is a fall planted bulb. The Golden Apeldoorn is one of the most well-known tulips around the world! Its huge flowers grow on sturdy stems and the bright golden-yellow color makes this variety espe...Read More
The Tulip 'Golden Oxford', 'Tulipa darwin hybrid', is a fall planted bulb. This brilliant yellow tulip has large, perfectly shaped, long-lasting blooms atop thick, sturdy stems. They make beautiful bouquets. For a show-stopping attraction in your gar...Read More
The Tulip 'Ivory Floradale', 'Tulipa darwin hybrid', is a fall planted bulb. Many gardeners will be thrilled to see this majestic tulip. This superb ivory-white variety is one of the best tulips for warm areas. It has tall and sturdy stems. These tul...Read More
The Tulip 'Mixed Colors', 'Tulipa darwin hybrid', a fall planted bulb, is one of the most well-known tulips around the world! Its huge flowers grow on sturdy stem, and the brilliant colors makes this variety especially attractive. Darwin hybrid tulip...Read More
The Tulip 'Orange Queen', 'Tulipa darwin hybrid', is a fall planted bulb. This variety is Holland's Pride. Orange is Holland's National Color. Its huge flowers grow on sturdy stems and the brilliant colors makes this variety especially attractive. Da...Read More
The Tulip 'Oxford', 'Tulipa darwin hybrid', is a fall planted bulb. This stop-light red tulip has an elegant black base edged in yellow. The large, perfectly shaped, long-lasting blooms sit atop thick, sturdy stems that make beautiful bouquets. For a...Read More
The Tulip 'Pink Impression', 'Tulipa darwin hybrid', is a fall planted bulb. This impressive darwin hybrid variety is one of the largest tulips in existence. The huge radiant pink flowers, blushed with rose and apricot grow on very sturdy stems and m...Read More
The Tulip 'Silverstream', 'Tulipa darwin hybrid', is a fall planted bulb. The Silverstream produces fragrant lemon yellow flowers with streaks of red and rose with attractive variegated foliage. The huge flowers grow on very sturdy stems and makes a ...Read More
The Tulip 'World's Favorite', 'Tulipa darwin hybrid', is a fall planted bulb. This richly colored variety is always one of the show stoppers at flower exhibitions. The huge perfectly shaped blooms are borne on strong, tall stems. They are excellent f...Read More
The Tulip 'Mondial', 'Tulipa double early', is a fall planted bulb. As their name implies, double early tulips bloom early in the season with long-lasting, rose-like double flowers which open flat in the full sun. When planted in a compact group, the...Read More
The Tulip 'Monsella', 'Tulipa double early', is a fall planted bulb. This tulip is a fragrant sport of Monte Carlo. Monsella is canary-yellow, feathered blood-red, while the inside is sulphur-yellow with blood-red flames. As their name implies, doubl...Read More
The Tulip 'Monte Carlo', 'Tulipa double early', is a fall planted bulb. An aristocrat of the double blooming Tulips, the pride of Dutch gardens will be yours for weeks with these abundantly beautiful petals. Lush rich jewel tones of golden yellow for...Read More
The Tulip 'Sunset Tropical, 'Tulipa double early', is a fall planted bulb. As their name implies, double early tulips bloom early in the season with long-lasting, rose pink double flowers which open flat in the full sun. When planted in a compact gro...Read More
The Tulip 'Abrigail', 'Tulipa double late', is a fall planted bulb. The tender beauty of this elegant soft purple variety is unsurpassed. The gracefully ruffled petals show varying delicate shades of deep pink and creamy white. It is one of our best ...Read More
The Tulip 'Angelique', 'Tulipa double late', is a fall planted bulb. The tender beauty of this elegant soft pink variety is unsurpassed. The gracefully ruffled petals show varying delicate shades of deep pink and creamy white. It is one of our best s...Read More
The Tulip 'Black Hero', 'Tulipa double late', is a fall planted bulb. This masterpiece is a sport of 'Queen of Night' and has the same distinctive midnight-black flowers. Plant these double Tulips in a prime spot, for instance along your driveway, so...Read More
The Tulip 'Blue Diamond', 'Tulipa double late', a fall planted bulb, has spectacular, reddish purple flowers on sturdy stems. It gives you marvelous opportunities for all kind of combinations with other Peony Tulips. For the best effects, plant the b...Read More
The Tulip 'Creme Upstar', 'Tulipa double late', a fall planted bulb, is a favorite for many gardeners. The soft peach and yellow double flowers, with faint green speckles and beautiful, magenta-rose edges, appear late in the Tulip season on sturdy, r...Read More
The Tulip 'Mixed Colors', 'Tulipa double late', is a fall planted bulb. The tender beauty of this elegant soft colored varieties is unsurpassed. The gracefully ruffled petals show varying delicate shades of color. This mixed color combination of flow...Read More
The Tulip 'Mount Tacoma', 'Tulipa double late', is a fall planted bulb. No garden is complete without a glorious display of these robust, medium-tall growing, pure white flowers on strong stems. These late flowering Tulips are also excellent for sout...Read More
The Tulip 'Orange Princess', 'Tulipa double late', is a fall planted bulb. No garden is complete without a glorious display of these robust, medium-tall growing, orange-red flamed flowers on strong stems. They deserve a special place in your garden. ...Read More
The Tulip 'Pink and White', 'Tulipa double late', is a fall planted bulb. Pink and White is a great combination of Angelique and Mount Tacoma tulips. No garden is complete without a glorious display of these robust, medium-tall growing, pink and whit...Read More
The Tulip 'Renown Unique', 'Tulipa double late', is a fall planted bulb. No garden is complete without a glorious display of these robust, medium-tall growing, hot pink flowers on strong stems. They deserve a special place in your garden. These late ...Read More
The Tulip 'Yellow Mountain', 'Tulipa double late', is a fall planted bulb. No garden is complete without a glorious display of these robust, medium-tall growing, yellow flowers on strong stems. This is one of the largest double flowering tulips avail...Read More
The Tulip 'Mixed Colors Emperor', 'Tulipa fosteriana', is a fall planted bulb. Mixed Colors is a great mix of early large flowering emperor tulips. These large beautifully shaped flowers stand out from a distance. The flower petals are bright, inside...Read More
The Tulip 'Orange Emperor', 'Tulipa fosteriana', is a fall planted bulb. These large beautifully shaped flowers stand out from a distance. The flower petals are bright orange, inside and out. Plant in drifts for a spectacular display.For the best eff...Read More
The Tulip 'Red Emperor', or 'Madame Lefeber', 'Tulipa fosteriana', is a fall planted bulb. This old-time favorite, loved by all gardeners, produces very large, bright vermillion-scarlet blooms. Highly recommended for your early spring garden. It woul...Read More
The Tulip 'White Emperor', or 'Purissima', 'Tulipa fosteriana', is a fall planted bulb. The bloom is exquisitely shaped and borne on a graceful, sturdy stem. Make an impact in your garden and plant tulips in groups of 25 to 50 for a dramatic effect....Read More
The Tulip 'Yellow Emperor', or 'Candela', 'Tulipa fosteriana', is a fall planted bulb. The golden yellow flowers create in aura of warmth and cheer in a mass planting. The exquisitely shaped blooms are elegant in their simplicity. They are borne on g...Read More
The Tulip 'Burgundy Lace', 'Tulipa fringed', a fall planted bulb, produces striking dark red flowers with a finely ruffled edge. The flowers are extremely long-lasting and set atop of tall, strong stems. Fringed tulips bloom in late spring and they a...Read More
The Tulip 'Canasta', 'Tulipa fringed', a fall planted bulb, produces short compact large red flowers with thick white ruffled edge. The flowers are extremely long-lasting and set atop of tall, strong stems. Fringed tulips bloom in late spring and the...Read More
The Tulip 'Mixed Colors', 'Tulipa fringed', a fall planted bulb, produces a blend of the most interesting fringed tulip varieties with their ruffled edges. The flowers are extremely long-lasting and set atop of tall, strong stems. Fringed tulips bloo...Read More
The Tulip 'Party Time', 'Tulipa fringed', a fall planted bulb, produces huge double fringed blooms in pink and white providing a great contrast in the late spring garden. The flowers are extremely long-lasting and set atop of tall, strong stems. Frin...Read More
The Tulip 'Swan Wings', 'Tulipa fringed', a fall planted bulb, produces striking white flowers with a finely ruffled edge. The blooms look like the wings of a swan. The flowers are extremely long-lasting and set atop of tall, strong stems. Fringed tu...Read More
The Tulip 'Casa Grande', 'Tulipa Greigii', a fall planted bulb, produces enormous, vibrant red flowers are 5-6 inches in diameter. This jumbo sized greigii tulip is one the largest yet! The unique mottled foliage adds to its attractiveness. Greigii t...Read More
The Tulip 'Double Red Ridinghood', 'Tulipa Greigii', a fall planted bulb, produces plump red flowers with vivid scarlet-red inner petals framing a black inner base. Greigii tulips are great for beds, borders, rock gardens, and cut flowers. They bloom...Read More
The Tulip 'Lady Diana', 'Tulipa Greigii', a fall planted bulb, produces orange red blushes on a salmon colored flower. The unique mottled foliage adds to its attractiveness. Greigii tulips are great for beds, borders, rock gardens, and cut flowers. T...Read More
The Tulip 'Mixed Colors', 'Tulipa Greigii', a fall planted bulb, produces an assortment of flower colors. The unique mottled foliage adds to its attractiveness. Greigii tulips are great for beds, borders, rock gardens, and cut flowers. They bloom in ...Read More
The Tulip 'Perlina', 'Tulipa Greigii', a fall planted bulb, produces the strongest pink Greigii tulip which makes it very suitable for containers. Greigii tulips are great for beds, borders, rock gardens, and cut flowers. They bloom in mid spring and...Read More
The Tulip 'Perlina', 'Tulipa Greigii', a fall planted bulb, produces bunch flowering and two-tone colored flowers. The unique mottled foliage adds to its attractiveness. Greigii tulips are great for beds, borders, rock gardens, and cut flowers. They ...Read More
The Tulip 'Red Ridinghood', 'Tulipa Greigii', a fall planted bulb, produces plump red flowers with vivid scarlet-red inner petals framing a black inner base. Greigii tulips are great for beds, borders, rock gardens, and cut flowers. They bloom in mid...Read More
The Tulip 'Toronto', 'Tulipa Greigii', a fall planted bulb, produces bunch flowering rosy-pink flowers. The unique mottled foliage adds to its attractiveness. Greigii tulips are great for beds, borders, rock gardens, and cut flowers. They bloom in mi...Read More
The Tulip 'Hearts Delight', 'Tulipa Kaufmanniana', a fall planted bulb, produces a tri-color flower. The large red and white flowers are unique and. when the blooms are completely opened you will see the yellow center. Tulips in this class have been ...Read More
The Tulip 'Shakespeare', 'Tulipa Kaufmanniana', a fall planted bulb, produces striking orange flowers. Tulips in this class have been developed from the Tulipa kaufmanniana species, which is native to Turkestan. They are some of the very earliest to ...Read More
The Tulip 'Stesa', 'Tulipa Kaufmanniana', a fall planted bulb, produces striking yellow and red flowers. Tulips in this class have been developed from the Tulipa kaufmanniana species, which is native to Turkestan. They are some of the very earliest t...Read More
The Tulip 'Ballerina', 'Tulipa lily flowering', a fall planted bulb, produces stunning orange flowers with a mild fragrance. The bottom interior of the flowers is tangerine to marigold-orange. Lilly Flowering tulips have slender, urn-shaped flowers w...Read More
The Tulip 'Burgundy', 'Tulipa lily flowering', a fall planted bulb, produces stunning burgundy flowers with a mild fragrance. Lilly Flowering tulips have slender, urn-shaped flowers with pointed tips. These tulips flower in mid spring and they are ve...Read More
The Tulip 'Claudia', 'Tulipa lily flowering', a fall planted bulb, produces stunning purple and white flowers. This variety is absolutely astonishing when the flowers are completely opened up. Lilly Flowering tulips have slender, urn shaped flowers w...Read More
The Tulip 'Marilyn', 'Tulipa lily flowering', a fall planted bulb, produces striking white floweres with red flames. This variety is absolutely astonishing when the flowers are completely opened up. Lilly Flowering tulips have slender, urn shaped flo...Read More
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Gardening with Flower Bulbs
Think Spring- Think bulbs... but plant soon.
Nothing says spring quite like a daffodil, crocus or
tulip. Bulbs, however, can fill your garden with vibrant
color from early spring through late summer. They are, in
general, very hearty, easy to grow and care for, and will
bloom year after year. With just a little effort, you can
have colorful blooms from your bulbs all through the
spring and summer. Daffodils, iris, tulips, gladiolus,
hyacinth, and daylilies are just some of the many bulb
favorites.
Choosing Bulbs:
Bulbs are easy to purchase over the internet. When buying
bulbs, the larger the better in order to ensure a good
bloom (bulb size is usually listed as DNI being the
largest, DNII being smaller, and DNIII being smallest).
Good bulbs should also be firm (avoid signs of rotting or
softness) and should not exhibit signs of external damage
such as cracks and deep scratches. Avoid bulbs that are
already growing shoots or roots. Before planting, keep
bulbs stored in a cool, dry location without direct
sunlight.
When deciding which type of bulb to purchase, think about
timing. (Click here to find your Plant Hardiness Zone) Are
you looking for color for early spring? mid-summer?
Perhaps you would like several types of bulbs that bloom
at different times so that you have color extended
throughout spring and summer? (see Related Links below)
Here are some recommendations for which bulbs bloom at
what time.
Early Spring Blooms:
Chionodoxa (Glory of the Snow) – Hardy to Zone 3
Galanthus (Snowdrop) – Hardy to Zone 3
Eranthis (Winter Aconite) – Hardy to Zone 4
Mid-Spring Blooms:
Hyacinthus (Hyacinth) – Hardy to Zone 3
Muscari (Grape Hyacinth) – Hardy to Zone 3
Narcissus (Daffodil) – Hardy to Zone 4
Tulipa (Tulip) – Hardy to Zone 3
Crocus (Crocus) – Hardy to Zone 3
Anemone (Windflower) – Hardy to Zone 4
Scilla (Bluebell) – Hardy to Zone 3
Late Spring Blooms:
Allium (Allium) – Hardy to Zone 5
Convallaria (Lily of the Valley) – Hardy to Zone 3
Sparaxis (Harlequin Flower) – Hardy to Zone 9
Trillium (Wood Lily) – Hardy to Zone 5
Early-to-Mid Summer Blooms:
Gladiolus (Sword Lily) – Hardy to Zone 7
Iris (Iris) – Hardy to Zone 4
Dahlia (Dahlia) Hardy to Zone 8
Hemerocallis (Daylily) – Hardy to Zone 4
Lilium (Lily) – Hardy to Zone 4
Ornithogalum (Star of Bethlehem) – Hardy to Zone 8
Acidanthera (Peacock Flower) – Hardy to Zone 7
Crocosmia (Montebretia) – Hardy to Zone 7
Ranunculus (Persian Buttercup) – Hardy to Zone 7
Late Summer Blooms:
Amaryllis (Belladonna Lily) – Hardy to Zone 7
Autumn Blooms:
Colchicum (Meadow saffron) – Hardy to Zone 5
Planting Bulbs:
As a rule of thumb, bulbs should be planted in the fall
(roughly early to mid-October). You want to get the bulbs
in the ground about six weeks before the ground starts to
freeze. Plant the bulbs in well-prepared soil. Planting
depth is determined by the type of bulb (4 inches deep for
crocus, 6 inches deep for daffodils and hyacinths, 8
inches deep for tulips). Spacing is also determined by the
type of the bulb, but, in general, plant bulbs about four
to six inches apart. If you prefer a more formal look of
rows, you may wish to invest in a bulb planter. If you
desire a more natural, clumped look, dig a wider hole that
can accommodate several bulbs (5 to 10) planted together.
A small amount of fertilizer can be added at the bottom of
each hole, then covered with a thin layer of soil so that
the bulb is not resting directly on the fertilizer. Bulbs
should be placed into the hole pointed end up with the
flat rooting side facing down. Cover the holes with soil
and give the bulbs a thorough soaking of water.
Caring for Bulbs:
Dead-heading
Dead-heading (removing dead flowers) will allow the plants
to put all their energy into new and existing flowers. Do
not, however, remove the leaves once the flowers have gone
until they start to turn brown.
Winter Care
In climates of zone 6 and below (click here to find your
zone), many bulbs are hearty enough to make it through the
winter in the ground. Varieties that are vulnerable to
frost, such as dahlias, should be dug up and wintered in a
frost-free environment. Better yet, unless you just have
to have that dahlia, just opt to plant the varieties that
can spend the winter in the ground.
Bulbs are a wonderful way (with minimal effort) to bring
vibrant color to your garden throughout the spring and
summer. With just a little work in the fall, you can enjoy
beautiful blooms as early as next spring!
