Happy Day Plants: Longmont's Plant Shop, Long-Day Plant Basics, and Gifting Guide

"Happy day plants" means a few different things depending on why you searched for it. You might be looking for Happy Day Plants, the beloved plant shop in Longmont, Colorado. You might be trying to understand what a long-day plant actually is for a biology class or your own garden planning. Or you might just be hunting for the perfect plant to celebrate a happy day — a birthday, Mother's Day, or a new job. This guide covers all three, with real details you can use.

Happy Day Plants Longmont, CO: What to Know Before You Visit

Happy Day Plants is a plant shop located at 501 Main Street in Downtown Longmont, Colorado, founded by Jessica Birmingham. What sets it apart from a typical plant shop is its mission: Happy Day Plants is a registered 501(c)(3) nonprofit that exists specifically to provide meaningful job opportunities for adults with disabilities. Birmingham opened the shop in November 2021 after her own daughter, who has Down syndrome, graduated high school and the family saw firsthand how few employment opportunities existed for young adults with disabilities. The shop's "Planting Possibilities" program now trains and employs a team of adults with disabilities directly in the store.

Happy Day Plants Longmont: Hours & Visiting

• Address: 501 Main Street, Longmont, CO 80501
• Hours: Generally Monday through Saturday, 10 AM–6 PM (Monday hours can vary slightly by season, so it's worth double-checking before a visit)
• What they carry: A wide selection of houseplants, plant accessories, and plant-related gifts, plus popular items like handmade moss balls
• Beyond retail: Community events, kids' and adult workshops, educational field trips, and plant design services for homes and businesses

Happy Day Plants Reviews

Community coverage of Happy Day Plants consistently highlights two things: genuinely healthy, well-cared-for plants, and the warmth of a shop built around inclusion. The store has been featured by local Colorado news outlets for its workplace-inclusion mission, and customers frequently mention the moss balls and personalized plant-styling help as standout parts of the experience. As with any small local shop, checking current reviews on Google or Facebook right before you visit is the best way to get a real-time read, since hours, stock, and events can shift with the seasons.

Happy Day Plants Photos

If you want a preview before visiting in person, the shop's Instagram (@happydayplants) is regularly updated with photos of new plant arrivals, in-store events, and the team at work — a good way to browse their current inventory and vibe before making the trip to Main Street.

What Is a Long-Day Plant? (Long-Day Plant Meaning)

A long-day plant is a plant that flowers when the number of daylight hours in a 24-hour cycle exceeds a certain threshold — technically, when the uninterrupted period of darkness drops below a critical length, which is usually somewhere between 8 and 15 hours depending on the species. This response is called photoperiodism, and it's how many plants "know" what season it is without a calendar: they're tracking the changing balance of light and dark as the growing season progresses.

It's worth noting that scientists eventually discovered it's actually the length of uninterrupted darkness, not daylight, that triggers the flowering response — but the long-day/short-day naming convention had already stuck from earlier research, so it's kept for simplicity.

Long-Day Plants vs. Short-Day Plants

Long-Day Plant Examples

Common long-day plants include spinach, lettuce, radish, potato, sugar beet, poppies, hibiscus, and many types of wheat and barley. These plants flower as spring turns into summer and daylight hours stretch out — which is also why a long-day plant like spinach struggles to flower at all in the tropics, since day length there never gets long enough to hit its critical threshold.

Short-Day Plant Examples

Classic short-day plants include chrysanthemums, poinsettias, Christmas cactus, rice, soybeans, and cotton. These flower as summer fades into fall and nights grow longer — which is exactly why growers manipulate light exposure to force poinsettias and mums into bloom on a commercial schedule ahead of the holidays.

A Quick Note on Day-Neutral Plants

Not every plant cares about day length at all. Tomatoes, corn, and cucumbers are day-neutral, meaning they flower based on the plant's maturity rather than the light cycle — useful to know if you're troubleshooting why a tomato plant isn't behaving like a "long day" or "short day" species in your garden.

How Plants Help Us Stay Alive

Beyond the joy of a "happy day plant" gift, plants perform work that's genuinely life-sustaining:

• Oxygen production. Through photosynthesis, plants convert carbon dioxide and water into glucose and oxygen, and that oxygen release is fundamental to nearly all animal life on Earth, including us.
• Carbon dioxide absorption. Plants pull CO2 out of the atmosphere as part of photosynthesis, helping regulate the balance of atmospheric gases.
• The base of the food chain. Nearly all food energy on the planet ultimately traces back to plants converting sunlight into usable energy, whether we eat plants directly or eat animals that ate plants.
• Water cycle regulation. Plants draw water from soil and release it into the atmosphere through transpiration, playing a major role in regional rainfall patterns and humidity.
• Soil health and erosion control. Root systems hold soil in place and support the microbial life that keeps land fertile enough to keep growing food.

Indoor plants can't replicate this at the same scale as forests and farmland, but keeping them at home still connects you, in a small daily way, to the same processes that keep the whole planet breathing.

Happy Day Flowers & Gift Plants for Every Occasion

Whether you call them "happy day flowers" or "good day plants," a living plant tends to outlast a bouquet and keeps giving joy long after the occasion has passed. Here's how to match the plant to the moment:

Happy Mother's Day Plants

Flowering options like orchids, peace lilies, and hydrangeas are classic Mother's Day choices thanks to their elegant blooms and relatively easy indoor care. For a lower-maintenance option that lasts for years, a small potted rose or a well-established succulent arrangement works well too.

Happy Father's Day Plants

Low-fuss, sculptural plants tend to land well for Father's Day — think snake plant, ZZ plant, or a small citrus or herb plant if he's into cooking or the outdoors. For gardening dads, a young fruit tree or a packet of vegetable seeds (see below) can be a more hands-on gift.

Happy Valentine's Day Plants

Roses are the obvious choice, but a potted mini rose bush or an orchid gives a Valentine's gift that keeps blooming well past February 14th, unlike cut flowers. Anthuriums, with their heart-shaped blooms, are another popular Valentine's pick.

"Oh Happy Day" Tomato Plants

If you came across "Oh Happy Day" tomato plants while shopping for a garden gift, that's a real, specific variety — an F1 hybrid junior beefsteak tomato bred for strong disease resistance, particularly against blight, with a well-balanced sweet-and-tangy flavor. It's indeterminate (meaning it keeps growing and producing through the season) and produces clusters of 4–5 oz. fruit, making it a solid, low-drama pick for a gardener who wants reliable homegrown tomatoes without constant troubleshooting.

A Note on "Lego Happy Plants"

If your search also turned up "Lego Happy Plants," that's referring to a LEGO botanical building set rather than a living plant — a fun add-on gift, but not something you'll find at a plant nursery. We cover that separately in our complete guide to LEGO Happy Plants.

Happy Day Plant Care Basics

Whatever "happy day plant" you end up with — gift or garden variety — the fundamentals are the same:

• Match the plant's light needs to where you'll actually keep it.
• Water based on soil moisture, not a fixed schedule — check before you pour.
• Use a pot with drainage, and a well-draining potting mix appropriate to the plant type.
• Feed lightly during active growth, and ease off in winter dormancy.
• Read the tag or ask the shop — a two-minute conversation with staff at a shop like Happy Day Plants can save weeks of guesswork on care.

Final Thoughts

Whether "happy day plants" led you to a nonprofit plant shop in downtown Longmont, a biology question about long-day and short-day flowering, or a search for the right gift plant for someone's big day, the throughline is the same: plants have a real, documented way of making days better — for the person receiving them and, quite literally, for life on the planet as a whole.

For more on plants, happiness, and gifting ideas, explore our related guides: plants that bring happiness, our guide to happy birthday plants, happy plants — best products and gifts, and do plants make you happy?. You can also learn more about us or get in touch with questions.