The Complete Guide to Harvesting & Storing Annual Phlox for Maximum Vase Life
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When to Harvest:
- Cut in early morning (6-10 AM) when stems are fully hydrated
- Choose stems where 1/3 to 1/2 of the flower cluster is open
- Avoid cutting in the heat of the day or when flowers are wet from rain
Harvesting Technique:
- Use sharp, clean scissors or pruners to make a clean cut at a 45-degree angle
- Cut stems 30-40 cm long (12-16 inches) for maximum versatility in arrangements
- Cut just above a leaf node to encourage new growth and more blooms
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Immediately place stems in clean water
- bring a bucket to the garden
Conditioning Process:
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Strip lower leaves
- remove any foliage that will sit below the waterline to prevent bacterial growth
- Re-cut stems underwater at a 45-degree angle to prevent air bubbles
- Use clean, room-temperature water mixed with flower food (or 1 tsp sugar + few drops bleach per liter)
- Condition for 2-4 hours in a cool, dark place before arranging or storing
Storage for Wedding/Event Work:
- Short-term (1-3 days):
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- Keep conditioned stems in clean water in a cool room (12-15°C / 54-59°F)
- Change water daily and re-cut stems
- Keep away from direct sunlight, fruit, and heat sources
- Refrigerated storage (up to 5 days):
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- Store at 2-4°C (35-39°F) in a floral cooler
- Keep in water or use wet floral foam
- Wrap loosely in paper to prevent crushing delicate blooms
Pro Tips for Maximum Vase Life:
- Add flower preservative to all water - it can double vase life
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Avoid ethylene exposure
- keep away from ripening fruit, dying flowers, and exhaust fumes
- Mist blooms lightly if they look tired - phlox responds well to humidity
- Re-cut and change water every 2-3 days for arrangements
- Remove spent blooms from clusters to keep arrangements looking fresh
Troubleshooting:
- Wilting stems? Re-cut underwater and place in warm water (38°C/100°F) for 30 minutes
- Cloudy water? Bacterial growth - change immediately and sanitize vase
- Drooping heads? Likely air bubble in stem - re-cut 2-3 cm higher
Expected Vase Life: 7-10 days with proper care