I am a landscape designer and have been purchasing 1000's of spring flowering bulbs from A.D.R. Bulbs for 100's of clients in the last 20 years. The bulbs have always been of top quality and if there were any problems, they have been quick to rectify. My orders are often complicated with many varieties and different amounts and they have always filled and delivered everything on time with the best customer care and attention to detail. The pictures in their catalog and website are beautiful. I have visited their facility in NY and was impressed with all their handling equipment and organization. I would highly recommend A.D.R. Bulbs to anyone in the wholesale trade who wants to purchase quality bulbs and work with genuinely nice people.

Nancy Greenlee , From The Ground Up

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Tulipa Green 'Green Power'

Ruigrok Exclusive

Green Power is a Viridiflora tulip exclusively grown by Ruigrok Flowerbulbs. It features pure green petals that remain vibrant throughout its six-week flowering period, making it a standout among tulips. One of the latest tulips to bloom, it reaches 12 to 20 inches tall and thrives in full sun to partial shade. This variety is excellent for beds, borders, and cut flower arrangements, offering a unique, long-lasting display.

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When should I plant Tulipa Green 'Green Power'?

Growing and Maintenance Tips for Tulipa Green 'Green Power'

Planting: Plant in fall once soil temperatures fall below 55°F. Set bulbs 6–8 inches deep, pointed end up. Viridiflora tulips perform best in sites where their late bloom time and subtle green hues can be appreciated up close.
Spacing: Space bulbs 4–6 inches apart. For visual impact, cluster in groups of 10 or more—their distinctive coloring and upright posture stand out in mixed plantings.
Light: Full sun is preferred to bring out the clarity and contrast of the green markings. Light shade is tolerated but may soften bloom coloration.
Soil: Use well-drained, neutral to slightly acidic soil (pH 6–7). Soggy or compacted areas can cause rot—ensure drainage is reliable through spring rains.
Watering: Water after planting to settle the bulbs. During spring, water only if dry conditions persist—overwatering may reduce bloom quality.
Temperature & Dormancy: Requires 12–16 weeks of cold (below 50°F) to establish strong root systems and prepare for flowering.
Fertilization: Apply a balanced bulb fertilizer at planting and again in spring as foliage emerges. This supports the structural strength and longevity of the blooms.
Pests: Generally resilient. Use mulch or mesh to deter squirrels. Deer will eat buds and emerging foliage—especially in early spring—so use repellents or fencing in high-pressure areas.
Disease: To prevent Botrytis (Tulip Fire), plant only healthy, firm bulbs in sunny, well-ventilated areas. Avoid overhead watering and dispose of any infected material—do not compost. Rotate planting sites annually and avoid replanting in affected areas for at least three years.