Plant Finder Tool

houseplant

Grand Duke Gardenia

Gardenia jasminoides 'Grand Duke'

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Grand Duke Gardenia (Gardenia jasminoides 'Grand Duke') at Rainbow Gardens

Grand Duke Gardenia flowers

Grand Duke Gardenia flowers

(Photo courtesy of NetPS Plant Finder)

Height:  4 feet

Spread:  4 feet

Sunlight:  full sun  partial shade 

Hardiness Zone:  9b

Other Names:  Jasminum sambac Grand Duke of Tuscany

Description:

The creamy white, fully double blooms of this variety are more akin to that of a small peony bloom, contrasting the large deep green foliage; great as an indoor container plant

Features & Attributes

Grand Duke Gardenia features showy fragrant white ball-shaped flowers at the ends of the branches from late spring to early summer. The flowers are excellent for cutting. Its glossy oval leaves remain dark green in color throughout the year.

This is a dense multi-stemmed evergreen houseplant with an upright spreading habit of growth. This plant may benefit from an occasional pruning to look its best.

Planting & Growing

When grown indoors, Grand Duke Gardenia can be expected to grow to be about 4 feet tall at maturity, with a spread of 4 feet. It grows at a slow rate, and under ideal conditions can be expected to live for approximately 30 years. This houseplant will do well in a location that gets either direct or indirect sunlight, although it will usually require a more brightly-lit environment than what artificial indoor lighting alone can provide. It does best in average to evenly moist soil, but will not tolerate standing water. The surface of the soil shouldn't be allowed to dry out completely, and so you should expect to water this plant once and possibly even twice each week. Be aware that your particular watering schedule may vary depending on its location in the room, the pot size, plant size and other conditions; if in doubt, ask one of our experts in the store for advice. It is not particular as to soil pH, but grows best in rich soil. Contact the store for specific recommendations on pre-mixed potting soil for this plant.

There are many factors that will affect the ultimate height, spread and overall performance of a plant when grown indoors; among them, the size of the pot it's growing in, the amount of light it receives, watering frequency, the pruning regimen and repotting schedule. Use the information described here as a guideline only; individual performance can and will vary. Please contact the store to speak with one of our experts if you are interested in further details concerning recommendations on pot size, watering, pruning, repotting, etc.

-- THIS IS A HOUSEPLANT AND IS NOT MEANT TO SURVIVE THE WINTER OUTDOORS IN OUR CLIMATE --

 
 
Hardiness Zone Plant Height Minimum Sunlight
Characteristics
Accent  Massing  Container 
Applications
Flowers  Attracts Wildlife 
Ornamental Features

Disclaimer - This Plant Finder tool is an online resource representing many of the varieties that we carry over the course of the season, and is intended for informational purposes only. Inventory varies seasonally, so we cannot guarantee that every plant will be in stock at all times - please contact the store directly for current availability. It does not include our entire selection of plants, so be sure to visit our store to see varieties that may not be represented on this list.