Gardenia jasminoides ‘Diamond Spire’

(Diamond Spire Gardenia)


Size Price

Hardiness Zones:

 10a  10b  7a  7b  8a  8b  9a  9b

Quick Overview:

Diamond Spire produces fragrant, single white blossoms in early summer through fall on a truly unique upright habit. Use it as a hedge, specimen or a “thriller” in a mixed container.

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Description

Most gardenias are fairly adaptable shrubs tolerant of sun or semi-shade, and do best in a well-drained, humus-rich, acidic soil.  Place in light to moderate shade, preferably with minimum competition from tree roots. Gardenias resent root disturbance. Use fertilizer for acid loving plants, and use iron compounds. Add plenty of organic matter, such as compost or ground bark to as large an area as possible. Mulch plants instead of cultivating. A good time to feed gardenias in these warm areas is mid-March, using an acid plant food, fish emulsion or blood meal. Fertilize the shrubs again in late June to encourage extra flowers on ever-bloomers or faster growth of young shrubs. Do not fertilize gardenias in the fall. Doing so will stimulate tender growth. Prune shrubs after they have finished flowering to remove straggly branches and faded flowers. Water gardenias regularly. Drip irrigating the shrubs will keep water off the foliage and blossoms and prevents leaf spots. (Courtesy of Missouri Botanical Garden Plant Finder)

Additional information

Common Name

Diamond Spire Gardenia

Botanical Name

Gardenia jasminoides 'Diamond Spire'

Evergreen or Deciduous

Evergreen

Hardiness Zone

10a, 10b, 7a, 7b, 8a, 8b, 9a, 9b

Growth Rate

Average

Light Requirements

Part-shade, Part-sun, Sun

Height

3 to 4'

Width

2 '

Soil Condition

Well-drained

Water Needs

Average

Blooming Period

Summer

Flower Color

white

Fragrance

Yes

Foliage Color

green

Size

1 gallon, 3 gallon

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