Through the years I've tried just about everyone for bulbs but A.D.R. is tops. It's a family run business and the service levels and expertise are as good as the product they sell. My clients rave about the results we get with A.D.R. and that makes me happy.

Paul Keyes , Paul Keyes Associates

« Previous Plant | Next Plant »

Gladiolus Large Flowering 'Green Star' (Ships in Spring)

Gladiolus

Gladiolus 'Green Star' is a unique variety with lime-green, ruffled blooms that create a striking contrast in the garden. The flowers appear on tall, sturdy spikes, opening sequentially from the bottom up for a long-lasting display. Growing 3 to 4 feet tall, it thrives in full sun with well-drained soil and requires consistent moisture during the growing season. Hardy in USDA zones 7 to 10, the corms should be lifted and stored in colder climates. This variety is excellent for borders, containers, and cut arrangements, adding an unexpected pop of green to floral designs.

Description	Price
Bin Box of 100 Bulbs, Size 12/14 cm	$34.80
Get Notified When Back In Stock Complete this form and we'll notify you when SKU SBIN8115025 is restocked. Email: Needed By: Qty Requested:
10 Retail Packages of 10 Bulbs, Size 12/14 cm	$39.90
Get Notified When Back In Stock Complete this form and we'll notify you when SKU SRET8010090 is restocked. Email: Needed By: Qty Requested:
Bulk Tray of 500 Bulbs, Size 12/14 cm	$150.00
Get Notified When Back In Stock Complete this form and we'll notify you when SKU SBUL25027012 is restocked. Email: Needed By: Qty Requested:

Gladiolus Calculator

Fill out the dimensions below to determine how much product is required for planting.

Growing and Maintenance Tips for Gladiolus Large Flowering 'Green Star' (Ships in Spring)

Planting: Plant corms in spring after the last frost, 4 to 6 inches deep and 6 inches apart, with the pointed end facing up. For continuous blooms, stagger plantings every 10–14 days until midsummer.
Location: Full sun is best. Choose a sheltered spot to protect tall flower spikes from wind.
Soil: Well-drained, sandy or loamy soil with a slightly acidic to neutral pH (6.0–7.0). Add compost or grit to improve drainage.
Watering: Water deeply after planting, then weekly during active growth. Mulch helps retain moisture and suppress weeds.
Temperature: Hardy in USDA zones 8–10. In colder zones, lift corms in fall and store in a cool, dry place.
Fertilization: Apply a balanced fertilizer (e.g., 5-10-10) at planting, then every 4–6 weeks during the growing season.
Pruning: Remove spent flower spikes to encourage more blooms. Allow foliage to die back naturally to feed the corm.
Staking: Tall varieties benefit from staking to prevent flopping. Insert supports early to avoid damaging roots.
Propagation: Lift and divide corms in fall. Replant healthy corms and save offsets for future seasons.
Pest & Disease: Watch for thrips, aphids, and fungal issues. Rotate planting sites and ensure good air circulation.