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Perennials for Moist Soil A to G - Page 2

© Jojo Sigurgeirson

Acorus gramineus has a much smaller habit. This grows to only 50 cm tall (18 inches). These come in green, white and green, gold and green, and cream and green, with variations within. Acorus gramineus is not as water-loving as the above but will stand very wet soil all year.

ADENOPHORA triphylla is like a campanula dressed up in evening finery. Of course a pretty date comes with a cost. Your boutiniere consists of rich soil that is quite wet, in some sun. This will grow in USDA Zone 7.

AJUGA reptans - Bugleweed. There are many varieties of bugleweed so if you have seen one and been turned off, you might want to look at some of the other types. There are many colours in leaves, and different habits. Caitlin's Giant, for example, clumps vigorously and produces large flower spikes. There are others that creep and sprawl. Some of the poorest of plantings of these are in dry soil, and while they are quite tolerant of dry conditions, they are at their best when given plenty of moisture. These can also ruin a garden by becoming rampant, and many who have planted it in the past now consider it a weed.

ANGELICA archangelica and Angelica gigas are both very tolerant of wet soil, provided they are also given light. These grow very tall, to maybe 3 metres in the richest soil. Like it's relatives in the carrot family, the white flowers are held in umbels, like little umbrellas. If you want big umbrellas, try Heracleum which also likes moist soil and has nice, large leaves. Both take up alot of space, so allow at least 3 feet on each side for growth. These aren't really perennials, so I shouldn't even be venturing here. They're biennials.

ARUNCUS dioicus can be viewed as a giant astilbe, but in a way that doesn't really work, much like how comparing carob to chocolate doesn't do either any justice. This will grow to 2 metres (6 feet) tall and 1 clump can grow as wide within a few years. If you want them to get big like this provide them with leafy, moist soil. Locally, these grow wild in alder forests where the leaf litter keeps them cool and the soil is fairly moist at all times.

ASCLEPIAS tuberosa. These are nice as wildflowers in a moist meadow or in more formal gardens, where they flower abundantly in bright orange in summer. They will tolerate alot of moisture if they are given sun and air circulation (keeps off the mildew).

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