summer flowering perennials

The Standing Silphium

We have a large collection of silphiums at JLBG, but unfortunately most have limited garden value since they splay apart and often completely fall over when in flower. While they’re loved by native bees, we have been frustrated to not find many that are mainstream garden worthy. One that has been impressive in our trials,

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Lavender and White

On my very short commute home, we’ve designed beds along the way that help relieve the stresses of the day. One of my favorite beds in summer is this combination of Allium ‘Millenium’, Sinningia tubiflora (white), Verbena bonariensis, and Pervoskia atriplicifolia. Both the sinningia and the verbena can be a bit aggressive in some areas

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Umbrage to Umbrosa

No garden is complete without at least one rudbeckia. Looking good in the garden now is the lovely Rudbeckia umbrosa. Formerly recognized as a a subspecies of the more commonly grown Rudbeckia fulgida, this is a very different plant that’s taller, and with very hairy foliage. For us, this moist woodland native tops out between

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Crying Amethyst Tears

One of the many hardy sinningias that has really impressed us during the last few years is Sinningia ‘Amethyst Tears’. Here is our garden clump, flowering its head off in the middle of August. You’ve probably never heard of this, since it’s an unintroduced Yucca Do selection from plantsman Wade Roitsch.

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Summer Carnival

The variegated hardy hibiscus, H. ‘Summer Carnival’ has looked outstanding all summer. This Hans Hansen creation has both variegated leaves and flower buds. We’ve had these in the garden since 2017, and they continue to excel. Moist to wet soils and full sun are ideal, but they handle short term drought just fine. Hardiness is

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Oh What a Ginger

Back in the early 2000s, we grew the spiral ginger, Costus speciosus for many years, before finally loosing it in a very cold winter, but its potential hardiness has always fascinated us. In 2013, Georgia plantsman Ozzie Johnson collected a specimen near the border of North Vietnam and Southern China at 3,900′ elevation. Below is

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Surprise, Surprise, Surprise

It’s that time of year, when the surprise lilies, Lycoris, that we have scattered throughout the garden begin to pop. Actually, due to our early summer rains, they began popping in early July this year, 2-3 weeks ahead of normal. Surprise lilies are divided into two groups, based on when their leaves emerge….fall (October) or

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Ramble On — A Native Groundcover with Year-round Interest and a Pollinator Smorgasbord

Over a decade ago I decided to try planting the native Frogfruit (Phyla nodiflora) in the maritime grassland exhibit at the South Carolina Botanical Garden. To my amazement, this species that I knew of from the fringes of saltmarsh in the Lowcountry thrived in both wet and dry soils of the upper Piedmont of South

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