Plant spacing is based on the ultimate width of the plants. This figure is normally given as a range; for example, 3-5’. If you live in a cold climate and/or want plants to fill in more quickly, plan to space at the shorter end of the range. If you live in a warm climate, are on a limited budget, or are willing to wait longer for plants to touch, use the higher end of the range. Using the larger number is recommended when calculating distance from a building or structure. There’s really no such thing as "maximum spacing": if you don’t want your plants to touch, you can space them as far apart as you’d like. All plant spacing is calculated on center, or in other words, the centers of the plants are spaced one half of their eventual width apart:
Unless you are planting in a straight line, as you might for hedges or edging, space your plants in a staggered or zig-zag pattern for a more interesting and naturalistic look:
Hand-picked at our greenhouse
Shipped to your door
Arrives as young plant
So pretty and are now getting used to their new home. We will be getting some very extreme heat and I will be moving them to and all shade area. But they have already received comments from the walker-bys in my neighborhood.
This summer, I re-did two of my perennial beds. That meant I needed to purchase many new plants from somewhere. I found Great Garden Plants on-line and saw they sold the Proven Winners brand, so I decided to place an order. The plants came very well packed, so that was a plus. However, one plant was very weak and scrawny. I contacted them, and was told a replacement would soon be delivered. Since I experienced excellent customer service and good plants, I placed 4 more orders iiover the weeks. My perennial beds are now filled in and I am pleased.
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