Boston Ivy Spacing - Knowledgebase Question

San Diego, CA
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Question by hestrella
March 14, 2004
I have a 100 feet long X 6 feet high concrete wall that I would like to cover with a Boston Ivy. How many and how far apart should I plant them ?

Answer from NGA
March 14, 2004
Photo by bonitin
Ivy is considered a vigorous grower, but growth rate really depends upon soil type, plus the amount of water and fertilizer the plants receive. Standard spacing is 18"-24" for 4" nursery pots. You can plant yours closer if you want faster coverage. 

For best growth, amend the soil with moisture-retaining organic matter (to a depth of 8"-12") prior to planting and after planting keep the area irrigated (water deeply once each week) for the first growing season. Once the roots are established, your ivy should grow well with only occasional watering during the hottest weeks of the year. Based upon the standard spacing rate, you should purchase 50-75 4" pots of ivy. For such a large job, however, it might be more economical to purchase flats of the groundcover and space the rooted cuttings 12" apart. This formula will provide faster coverage of the area.

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