Neomarica Caerulea 'Regina Iris' Giant Apostle's Iris

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Growing Zone: 8-11

Growing Zone: 8-11 Outdoors

Plant Specifications

Plant Name Neomarica caerulea 'Regina Iris' Giant Apostle's Iris
Mature Height 12-18 inches
Mature Width 6-12 inches
Spacing 12-18 inches apart
Sunlight Full to Partial Sun
Temperature Tolerance 60-85°F
Watering Needs Low, once a week
Growth Rate Slow to medium, less than 1 foot per year
Difficulty Level Easy
Grows Well Indoors No
Flowering Time Spring to summer
Origin Native to Brazil

Looking for a show-stopping addition to your garden? Look no further than the Iris Giant (Iris ensata)! With its large, striking blooms and vibrant colors, this plant is sure to make a statement in any landscape.

How to Grow:

Plant your Iris Giant in well-draining soil in an area that receives full sun to partial shade. Soak the roots in water for a few hours before planting to ensure they are fully hydrated. Plant the rhizomes 1-2 inches deep and 12-18 inches apart, with the pointed end facing up. Water regularly, especially during dry spells.

Care Tips:

In addition to regular watering, Iris Giants benefit from fertilization in the spring and fall. Deadhead spent blooms to encourage new growth and prevent the plant from expending energy on seed production. Mulching around the base of the plant can help retain moisture and suppress weeds.


The Iris Giant is an excellent choice for borders, beds, and cutting gardens. Its large blooms make a stunning addition to bouquets and floral arrangements.

Planting Tips:

When planting your Iris Giant, be sure to choose a spot with well-draining soil. If your soil is heavy or clay-like, consider adding compost or sand to improve drainage. Plant in early fall or spring for best results.


To keep your Iris Giants looking their best, remove any yellow or damaged leaves as soon as possible. In the fall, cut back the foliage to 6-8 inches to prevent wind damage and promote healthy growth in the spring.

Pests and Diseases:

While Iris Giants are generally hardy and disease-resistant, they can be susceptible to iris borer and fungal diseases like root rot. To prevent infestations, keep the area around your plants clean and free of debris. If you do notice signs of pests or disease, treat promptly with an appropriate insecticide or fungicide.

With its stunning blooms and easy care requirements, the Iris Giant is a must-have for any garden enthusiast. Order yours today and enjoy the beauty of this magnificent plant for years to come!



Estimated Shipping Time: Most orders ship immediately. As noted on the website, some items are seasonal, and may only ship in spring or fall. Once your order is shipped, you'll receive an email with a tracking number.

Shipping Cost:
Orders less than $199 have a standard $29.95 shipping cost. Orders over $199 SHIP FREE

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