Bulbous perennial flower of immense commercial significance, particularly in the Netherlands. Grown for cut flowers and as landscape bulbs. Over 3,000 registered cultivars.
Best soil types: sandy loam, loam, well-drained
pH range: 6 - 7.5 (optimal: 6.5)
Drainage: excellent
Use to identify issues early and prevent crop losses.
Tulip bulbs require 12-16 weeks of cold (2-9C) to vernalize; in warm climates, pre-cool bulbs in refrigerated storage before planting.
For cut flowers, harvest when buds are fully colored but still closed; tulips continue growing and opening significantly in the vase.
Forceable in greenhouses for early markets: plant pre-cooled bulbs in January for Valentine's Day supply at premium prices.
Tulip typically takes 120 days from planting to harvest. Seeds germinate in about 14 days. The best planting season is fall.
Tulip grows best in sandy loam, loam, well-drained soil with a pH of 6-7.5. Excellent drainage is required.
Tulip grows best at 10-20°C. Frost tolerance: high. Heat tolerance: low.
Tulip yields approximately 400,000 stems/hectare under good conditions.
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