Sea Foam Fothergilla

Fothergilla × intermedia 'Sea Spray'

$32.00 Sold out

1 Gallon | Hardiness Zones 4-8

'Sea Spray' has long traveled under the name Fothergilla major — a tidy assumption the botanists have since complicated. Run through a flow cytometer, they turn out to be a hybrid: F. × intermedia, the meeting of mountain witch-alder (F. major) and the dwarf coastal F. gardenii — the little shrub Charleston's Alexander Garden sent across to England in the 1760s, in a genus already named for John Fothergill, the London physician who tried to grow half of America in a single garden. All of which makes the name, for once, honest. Most "Sea Spray" christenings are wishful. This one actually carries the coast in their blood.

What you notice first is the foliage: cool, glaucous, blue-green straight through summer, as though someone had breathed sea-fog across the leaves and it never quite lifted. In spring, before that color settles, they send up white bottlebrush spikes — petal-less, all stamen, honey-scented — opening as the new leaves unfurl rather than ahead of them. Early pollinators find them well before much else is awake. The habit stays modest and oval-rounded, more contained than a straight major, which is part of why collectors keep asking after a plant still genuinely scarce in the trade.

Fall is the honest part. On a good site 'Sea Spray' colors up; on others — Michael Dirr noted as much from the lone specimen he'd seen, at Bernheim in 1997 — they settle for a quieter dark red-brown rather than the orange-and-scarlet riot the genus is known for. More sun, better color. We won't promise fireworks every November.

Our stock traces to a young plant at Hopelands Gardens, the Iselins' fourteen-acre estate here in Aiken — set there by Bob McCartney himself, beneath live oaks and the deodar cedars Hope Iselin planted a century before him. Cuttings off Bob's specimen, grown on at the nursery. Provenance you could drive to.

They ask for little in return: acidic soil that stays moist but drains, a spot in sun to part shade, a mulch over those shallow roots. Deer pass them by. The kind of shrub you set in among oakleaf hydrangea and native azaleas and then find yourself watching anyway — the blue of the leaves, the honey on the spring air, the slow pleasure of a thing that manages to be two places at once.

Pickup currently unavailable at Aiken Nursery

Schedule Delayed Shipping in your Cart
Hardiness Zones USDA Zones 4-8
Sun Full Sun and Part Shade
Soil Well-drained, Moist, and Acid
Mature size Height: 4-8 Feet / Spread: 3-5 Feet
Growth Rate Slow
Seasonality Deciduous

Flower, Fruit and Foliage

Foliage

The reason to grow them. Leaves emerge in spring and deepen, as the season settles, into the cool glaucous blue-green the cultivar is named for — a waxy, sea-glass cast that runs strongest on the undersides, where a fine down silvers the surface paler still. Each leaf is broad and scalloped, two to four inches long, toothed across the upper two-thirds, the veins pressed in deep enough to give the whole shrub a quilted, hand-worked look up close. The stems zig-zag between the buds, a small structural habit of the genus that reads as character once you know to watch for it. Come autumn the color is honest rather than guaranteed: a well-lit plant warms toward bronze and dull red, while a shadier one may simply hold the dark red-brown Dirr recorded at Bernheim. Handsome in its own register, if not the bonfire some of its cousins stage.

Flowers

As the new leaves unfurl, in April into early May, they break into white bottlebrush spikes an inch or two long — though "white" is the eye's shorthand, because these flowers carry no petals at all. What you're looking at is stamens, dozens to a spike, white filaments tipped in soft yellow anthers, massed into a haze that catches light like the foam the plant is named for. The scent is the real surprise: warm and clean and distinctly of honey, traveling further on a still morning than a flower that size has any business doing. Bees and the season's first pollinators find them early, while little else is open.

Fruit

Almost an afterthought, botanically. By late summer the spent spikes give way to small two-seeded capsules, beaked and barely half an inch, ripening brown and splitting to fling their hard seed a startling distance — the genus's one piece of theater. On 'Sea Spray' even that is muted: as a hybrid of awkward, uneven chromosome count, they set little viable seed, which is exactly why every plant we grow comes from a cutting rather than a sown row. No ornamental fruit to speak of, and nothing to rake up after. Call it the quiet price of good foliage.

Read full care instruction manual here.

Light & siting

Give them sun to part shade. More sun means more flower and a stronger blue in the leaf, but in the lower South our light has teeth, and a plant set to catch morning sun with shade through the afternoon will thank you for it. The woodland edge is exactly what they're built for. Deep shade dulls both the bloom and the color, so resist the urge to tuck them too far under the canopy.

Soil

Acidic is the one non-negotiable. They want a moist, humus-rich, freely draining soil somewhere in the pH 5 to 6.5 range; offer them lime or a sweet builder's fill instead and they'll sulk, yellow between the veins, and generally let you know about it. Work leaf mold or fine pine bark into the planting hole, especially if your ground runs to heavy clay or hungry sand. Drainage matters as much as moisture. Wet feet in stagnant soil is one of the few things that will undo an otherwise easy shrub.

Water & mulch

Through the first season or two, keep the soil evenly moist while the roots find their footing, and don't let a young plant dry out hard. Once settled they carry a fair tolerance for drought, though they're never really happier than under steady moisture, and a plant in fast sand will want watching come July. Lay two to three inches of pine straw or leaf litter over the root zone and renew it each spring. The roots run shallow, and that blanket keeps them cool, damp, and buffered against the season's swings. Pull the mulch back a hand's width from the stems.

Feeding & pruning

They're not greedy. A spring topdress of compost, or a light feed formulated for acid-lovers if your soil is poor, is plenty; heavy fertilizer only buys you soft growth and little to show for it. Pruning is mostly a matter of restraint. The loose, informal branching is the whole charm, so the less you take, the better they look. If you must, shape just after bloom and lift out any dead or crossing wood. Over the years you can renew an aging plant by cutting the oldest stems to the ground a few at a time.

Hardiness & health

Hardy through USDA Zones 5 to 8, and refreshingly free of trouble once they're sited well: no serious pests, no disease worth naming, and a dependable indifference from the deer. Plant them right, in acid soil with a little room to breathe, and the rest of the work is mostly admiration.

Also found in

Here’s a closer look at how we produce our plants:

From rooting to shipping, our top priority is ensuring you receive healthy, thriving plants for your garden’s success.

The majority of our plants are carefully cultivated from rooted cuttings, while we also utilize propagation methods such as seed, air layering, and grafting, thoughtfully chosen to suit each plant’s unique needs.

Our plants are cultivated using sustainable practices, including organic soil blends and eco-friendly pest management, ensuring they thrive while minimizing environmental impact.

We are proud to contribute to local biodiversity through ongoing donations to the Aiken Arboretum and support for local wildlife conservation efforts, helping to preserve and enhance our community’s natural ecosystems.

Grown in Aiken, South Carolina

At Woodlanders, we are committed to quality.

All our plant material is carefully propagated, grown, and nurtured at our humble nursery in Aiken, South Carolina.

Learn more about Woodlanders here.

Plant Success Tip #1

Unpack Promptly

Carefully unpack your plant as soon as it arrives. Check the roots and soil to ensure they are still moist. If the roots feel dry, lightly mist or water them before proceeding with planting or temporary storage.

Plant Success Tip #2

Acclimate Your Plant

Allow your plant to adjust to its new environment by placing it in a sheltered spot for a day or two before planting, especially if it has traveled a long distance. Avoid exposing it to extreme temperatures right away.

Plant Success Tip #3

Follow Planting and Care Instructions

Plant your new arrival as soon as possible, following the specific care guidelines provided. If planting outdoors isn’t immediately possible, temporarily pot it in well-draining soil to maintain health until conditions are suitable.

Read Care Instructions

Frequently Asked Questions

What to expect upon delivery

All our plants are sold in 1-gallon sizes, though the height of each plant can vary depending on its growth rate and seasonality, typically ranging from 1/2 to 2.5 feet.

Each plant is carefully packaged with its roots enclosed in a secure plastic bag containing moist soil, forming a compact root ball. To ensure safe transport, the box is padded with recycled newspaper, providing both stability and eco-friendly protection from weather during shipping.
What is your return policy?

Review our full return policy information on our SHIPPING AND RETURNS POLICY page.
What payment methods can I use?

We offer 35 different payment methods including major providers like Mastercard, Visa, PayPal, American Express and Diners as well as many different local payment methods including Klarna, iDEAL, AliPay, Sofort, giropay, and many more.
Can I make changes to my order after it’s been placed?

At Woodlanders, we strive to fulfill orders as quickly as possible. Therefore, we can only accommodate changes to your order within the first 24 hours after it has been placed. These changes include adding or removing products and modifying the delivery address. If you need to make any changes or if there has been a mistake with your order information, please reach out to us promptly via our CONTACT page with your order number for the quickest resolution.

Your satisfaction is our priority, and we appreciate your understanding and cooperation.