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LIGHT BULBS Tropical Clerodendrum Smithiaum Chains of Glory


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Clerodendrum smithianum is commonly called Chains of Glory or Light Bulbs and is an attractive, fast growing, medium sized shrub, that offers a lovely cascading bloom habit with small white tubular shaped single flowers with long stamens that re their most interesting in the bud form, when they resemble a string of small light bulbs cascading down through the dark green pointed oval leaves. This somewhat rare and hard to find clerodendrum that not only offers a unique and interest flowering habit, but also blooms in the dead winter, which is rare for a tropical plant.

The flowers are long, pure white split tubular blossoms with pretty red stamens tipped with bright yellow pollen covered pistels that resemble small white butterflies. The blossoms are short lived, and lasting only a day or two at most. However it is the unique and interesting shape these pretty flowers have in the bud stage and the cascading habit of the flower stalk that makes this plant most appealing. The swollen bulb shaped buds hang from deep burgundy green sepals in horizontal rows circling long flexible stems at regularly spaced intervals

Chains of Glory or Light Bulbs is one of the more than 400 species of Clerodendrum and is native to tropical Africa.

This plant has dozens of interesting uses in almost any landscape. Although it is quite tropical and must be protected from frost and freeze, it adapts quite well to permanent potted culture, and so can be grown outside it's recommend zone range with adequate care and winter protection. It is pretty planted in mass, as a part of mixed perennial beds, or as an accent plant along well traveled. It can also be adapted to growing indoors with supplemental lighting and is a frequent choice for bonsai culture.

Available Size

4 Inch Pots - Mature, well rooted starter size plants, growing and shipped in a 4 inch plastic pot, plant will be a minimum of about 8 to 10 inches tall and unlikely to have bloom or bud at the time of shipping.

Botanical Name Clerodendrum smithianum Light Bulbs
Common Name Chains of Glory or Light Bulbs
Plant Family Lamiaceae
Mature Size 5 to 6 feet
Bloom Color White
Bloom Form Bulb shaped buds opening into tubular single flowers
Bloom Time Winter
Zone 9, 10, 11
Fragrance No
Key Features Unique Buds, Winter Bloom
Suggested Uses Mass Planting, Hedge, Accent, Standard, Potted
Grower Notes Prefers to dry between waterings


Direct planting of 4 inch starter size plants is not recommended, so for the best results with your new plant, we recommend it be repotted and allowed to grow larger before setting out in a tropical to subtropical landscape. 

When the new pot has filled with roots and the plant is larger, then here a few hints for successful growing in the landscape in Zones 9, 10, and 11.  can be grown as a potted plant indefinitely.

  • Plant in fertile well draining, slightly acidic soil soil in the full sun. Amend with high quality organic material as needed.
  • Locate in full sun to very lightly dappled shade.
  • Provide supplemental irrigation.
  • Feed a good quality, slow release, bloom boosting fertilize with the initial planting and twice yearly in the early Spring and early Fall thereafter. 
  • Supplement with a water soluble plant food in between feeding.
  • Prune lightly and often when young to encourage branching and after flowering to promote uniform shape and control size.
  • Protect from frost and freeze






  • Model: CLEO-SMI-LB-4
  • Shipping Weight: 2.3lbs
  • 5 Units in Stock
  • Manufactured by: Emerald Goddess Gardens

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