Flower Garden – Tips on Growing Portulaca From Seed

Sow Indoors

• Keep media moist and near saturation by watering before planting seed.
• Do not cover or bury the seed, just press lightly into the wet soil,  as Portulaca seeds needs light for germination.
• Place in a bag at a temperature of 75-80F or seal the seed tray inside a polythene bag until after germination, which usually takes 7- 14 days.
• Germination temperature is 75-80°, germination will take 7-14 days. Start sowing 6-8 weeks before transplanting.
• Transplant into your garden after all frost possibilities are past.
• You can transplant the seedlings when they have 4 true leaves 5-8 inches apart.

USDA Hardiness Zone -First Frost Date- Last Frost Date

• Zone 1  -July 15th -June 15th
• Zone 2  -August 15th- May 15th
• Zone 3  -September 15th May 15th
• Zone 4  -September 15th May 15th
• Zone 5  -October 15th April 15th
• Zone 6  -October 15th April 15th
• Zone 7  -October 15th April 15th
• Zone 8  -November 15th March 15th
• Zone 9  -December 15th February 15th
• Zone 10 -December 15th January 31st (sometimes earlier)
• Zone 11 _No frost. No frost.