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Originally Posted by JennyS  Its worth remembering that height/spread and flowering times given in reference books etc are only guidelines. Plants will also grow differently in different conditions - better, richer ground = bigger plants, very nutrient-poor ground = stunted plants...... |
Ahh well these were growing in a sunny spot next to the motorway - no idea about the quality of the soil but as there were no stingy nettles i presume the soil wasn't very nutritious.