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Unconditional Satisfaction GuaranteeNo Shipping Fees Above 302 Months to Decide. Returns Simplified.Ageratum houstonianum Blue Flossflower Giant trusses of fluffy, true-blue flowers. Plants are upright, early flowering and vigorous yet compact in habit growing only 20-25 cm (8-10″) tall with a spread equal to that. Great for borders or for using as a cut flower. Since it dislikes being transplanted, we recommend that to get a head start on the season, seeds should be sown in peat pots indoors in late winter. Transplant the seedlings. peat pot and all after danger of frost has past. How to Grow Adaptable to most soils in sun or partial shade. Sow seed indoors using plantable peat pots and soil-less mix in mid-March leaving the seed uncovered on the surface of the mix. Germinate at 20 C (70 F) for 7-10 days then grow-on under lights at 15 C (60 F) before hardening off and transplanting to a sunny spot in the garden. Space plants between 15-25 cm (6-10″) apart in the garden. Annual. Approx. 500 seeds/pkt.
