Internet #301135465

Model #831451

Gladiolus Colossal Large Sized Flowering Rainbow Mixed Bulbs (Set of 12)

  • Plant in spring in a full sun to partially shaded location
  • Best planted in groups for maximum color effect
  • Bulbs are shipped in a dormant state, ready to plant after frost
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Product Overview

Today's Gladiolus (or simply glads as they are quite often called) are larger and more beautiful than varieties years ago and produce lush sword like foliage. They appreciate the warm weather of summer and are very easy to plant and grow. Gladiolus come in a wide selection of classic colors as well as the newest bi-colors or tri-colors. After the danger of frost has passed, you can plant them all at once, or plant them bi-weekly for continuous flowers throughout summer. They are best planted in groups and make for excellent lavish florist quality cut flowers. Gladiolus are tall stunning plants with long, sword-like foliage. These are easy to grow flowers that will brighten any garden for months to come. Gladiolus Rainbow Mixed is made up of a variety of colorful blooms. The blend contains colossal sized flower bulbs. Its breathtaking mixture of vibrant yellows, deep reds, and blue-violet blooms are a sight to see. These large flowers offer a burst of color to cut flower arrangements and borders.
  • Large sized flower bulbs
  • Best planted in circles for a natural look
  • Beautiful cut flower
  • Bulb size 16 plus
  • Appreciate the warm weather of summer
  • Boldly colored tropical gladiolus varieties make up this mixture, colors as bold and dramatic as parrots
  • Plant some bi-weekly for continuous flowers throughout summer
  • Choose a well-drained, sunny location, planting them at their optimum depth of 8 in. will help anchor them against strong winds, plant them in rows, circles or whatever makes for a nice display, flowers will come in 70-100 days, in USDA zones 6 to 7, they will thrive as well if protected by a layer of mulch throughout the winter, they love to be fertilized
  • Staking may be required, in more northern zones, dig up the corms ( bulbs) after the season, remove soil, dry and store the bulbs indoors until next season

Info & Guides

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Mature Height (in.)
Mature Width (in.)


Additional Characteristics
None Listed
Annual / Perennial
Average Shipping Height (in.)
Best Time to Plant
Spring to Summer
Blossom Color
Assorted Colors
Botanical Name
Common Name
Growth Habit
Hardiness Zone
3 (-40 to -30 F),4 (-30 to -20 F),5 (-20 to -10 F),6 (-10 to 0 F),7 (0 to 10 F),8 (10 to 20 F)
Number of plants included (Pack-Size)
Pack Size
Recommended Space Between Plantings (in.)
Shipped As
Sun Tolerance
Part Sun
Water Requirements
Twice a week
Wildlife Attracted
No Wildlife Attracted
Wildlife Deterred
No Wildlife Deterred

Questions & Answers


Customer Reviews

  • 2 Customer Reviews
  • 4.5 out of 5 stars overall
100% of customers recommended.
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Divine they are growing so fast! I never experienced anything like it...
Divine they are growing so fast! I never experienced anything like it...
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Into the dirt & got shoots in two weeks.
Into the dirt & got shoots in two weeks.
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