The best garden guide is a real grower.
Practical, honest how-to from the people who actually grow it. Use the season to decide what matters now, what can wait, and when it’s time to stop browsing and start planting — grown 100% on-site in Andover since 1959. Not sure what to plant? Talk to our team and we’ll point you in the right direction.
The greenhouse rests July 5 through August 31 and reopens for fall on September 1 — so the garden is in your hands for a few weeks. Here’s what to tend at home, plus everything that keeps running all year.
In July heat, containers and hanging baskets dry fast. Water in the morning, right to the roots, until it runs out the bottom.
Pinch off spent blooms on geraniums and petunias to keep them flowering, and feed baskets lightly every week or two.
Landscaping never stops. Mulch locks in moisture through the heat — delivered locally for a flat $20 around Andover.
Grab a gift card, sketch next season’s beds, or start a landscaping project so you’re ready the day we reopen.
A good entrance starts with the right plants in the right spots and beds that hold their shape all year. Our team plants to New England’s seasons and delivers bulk mulch and loam in and around Andover — so your front walk looks cared for from the first thaw to the holidays.
Eight seasons, each with what to plant, what to do now, and whether the greenhouse is open. Open seasons run daily 10AM–4PM at 225 Chandler Road; closed stretches are marked so you know when to plan ahead.
Cool-season color leads the way — pansies, violas and ornamental kale shrug off a light frost. Clean up beds, sharpen tools, and dream up this year’s containers.
The big one. Once frost danger passes, plant geraniums, hanging baskets, mixed annuals, basil and patio tomatoes. Bring Mom and plant something beautiful.
Fill in the gaps with heat-lovers like mandevilla, and keep everything thriving: water deeply in the morning, deadhead often, and feed containers regularly.
The greenhouse takes a rest. Keep watering and deadheading, mulch to hold moisture, and start planning your fall beds. Landscaping and gift cards run all summer.
We reopen. Hardy garden mums, fall asters and ornamental kale carry the color. Fall is also a good time to plant shrubs and set spring bulbs, giving roots time to settle before winter.
Tuck in the last bulbs, empty and store your containers, and give beds a final tidy. Time to swap summer displays for cool-weather greens and evergreens.
Greenhouse-grown poinsettias, fresh greens and handmade wreaths take over. Keep a poinsettia happy in bright, indirect light and away from cold drafts.
The greenhouse sleeps and so should the garden. Care for your houseplants — a Boston fern loves humidity — and start sketching next spring. Gift cards are available year-round.
Pick a topic. Each one is a short, honest guide — the same advice we give across the bench, tied to what grows well here in the Merrimack Valley.
Watch a spot for a day before you plant it. Six-plus hours of direct sun is full sun — think geraniums and patio tomatoes. Dappled or morning-only light is shade, where impatiens and Boston fern are happiest. Match the plant to the light and you’ve won most of the battle.
Find sun & shade picksBaskets dry fast up in the breeze. Water until it runs from the bottom, most mornings in summer — sometimes twice on a hot day. Feed lightly every week or two, and pinch off spent blooms so mandevilla and petunias keep pushing new color instead of setting seed.
See our basketsThe old rule still works: a thriller, a filler, and a spiller. One tall focal plant, a mound of color around it, and something to trail over the edge. Keep every plant on the same light and water needs, and use fresh potting mix — not garden soil — so roots breathe.
Custom plantersWhen the nights cool, hardy garden mums, fall asters and ornamental kale carry your porch to Thanksgiving. Fall is also a good time to plant shrubs and tuck in spring bulbs — giving roots time to establish before winter.
Plan your fallA poinsettia lasts weeks in bright, indirect light — away from cold drafts and hot vents, watered only when the top of the soil feels dry. For fresh wreaths and mixed greens, join a workshop and build your own, or let us make one to match your door.
Wreath workshopsGood beds start under the plants. Loam gives roots something to grow into; a two-to-three-inch layer of mulch holds moisture, keeps weeds down and feeds the soil as it breaks down. Keep mulch off the stems and trunks. We deliver bulk mulch and loam all year.
Bulk mulch & loamGuides only go so far. Tell us your light, your space and what you’re hoping for, and our growers will point you to the right plants — or design a custom planter to match your porch. Three generations of answers, from the people who grow it.
For three generations, our family has grown everything we sell right here in Andover — so we plant to New England’s real seasons, not a catalog’s. That’s why this guide is honest about frost dates, why the greenhouse rests in the deep of summer and winter, and why fall is a great time to put shrubs and bulbs in the ground.
When you’re ready, come see it for yourself. We serve the Merrimack Valley, New Hampshire and Maine, with a flat $20 local delivery in Andover and free pickup.
We’re a seasonal greenhouse, so timing matters. Here’s the plain version.
Spring, summer, fall and the holidays. We close for a summer break (Jul 5–Aug 31) and deep winter (Dec 26–Mar 31), and reopen for fall on September 1.
Landscaping, bulk mulch & loam, and gift cards are available all year — even when the greenhouse is on a seasonal break. Free pickup, or $20 flat delivery in Andover.
Our team has been answering “what should I plant?” in Andover since 1959. We reopen for fall on September 1 — until then, browse the plant library, plan a project, or reach out any time and we’ll help you make the most of the season you’re in.
(978) 375-9303 · konjoiansghls@gmail.com · 225 Chandler Road, Andover MA · Serving the Merrimack Valley, New Hampshire & Maine