Note: This article contains affiliate links. If you click on these links and make a purchase, I may earn a small commission at no extra cost to you. This helps support my research and content. Read my full affiliate disclosure here.
A north-facing window box can be one of the trickiest but most rewarding planting spots. Because it receives mostly indirect light and cooler temperatures, the right plant choices will determine whether the box looks vibrant or sparse through the season. In this guide we shortlisted six strong choices suited for north-facing window boxes and evaluated them across practical criteria gardeners care about, including light tolerance, moisture behavior, and seasonal interest. Use these picks to build a consistent, low-stress display that holds up in shade and cooler conditions.
Top Picks at a Glance
| Best Quality Built to a higher standard if you want something more solid | SVI Rainbow Coleus Heirloom Flower Seeds (1200 Count) |  |
| Best Value The sweet spot between price and what you get | Carpet Creeping Coleus Seeds (100 Count) — Colorful Shade-Loving Foliage |  |
| Best Budget The cheapest option that still gets the job done reliably | Lobelia Erinus Trailing Mix Seeds (300 Count) |  |
| Highest Rated A top-rated pick with lots of positive feedback | Chlorofeels Hosta Seeds (200+) — Shade-Tolerant Perennial Seeds |  |
| Most Popular A crowd favorite that many people choose with confidence | Sow Right Seeds Rainbow Coleus Seeds (800 Count) |  |
| Best Seller A high-volume bestseller chosen again and again | Ficoszo Purple Shamrocks (Oxalis triangularis) — 12 Bulbs |  |
SVI Rainbow Coleus Heirloom Flower Seeds (1200 Count)
| Unit Count | 1200 Count |
|---|---|
| Sunlight Exposure | Partial Shade |
| USDA Hardiness Zone | 4-10 |
| Moisture Needs | Regular Watering |
| Material Features | GMO Free, Heirloom |
These SVI rainbow coleus seeds are an economical choice for filling pots and shady spots with colorful, low-maintenance foliage. The packet contains a high unit count suitable for seeding many containers or creating dense drifts in garden beds. Coleus thrives in partial shade, germinates quickly in about 7 to 14 days, and grows into bushy 12-inch plants that respond well to pinching for fuller mounds. The seeds are heirloom and GMO free, and each pack includes planting guidance to simplify starting indoors or direct sowing after frost. Practical benefits include strong shade tolerance, flexible use in pots or borders, and regular watering needs that are straightforward for routine care. Limitations are mostly about the plant type: coleus is grown for foliage not flowers, so it contributes color and texture rather than prominent blooms, and successful results depend on keeping soil evenly moist and protecting plants from harsh afternoon sun in hot climates.
Best for: Buyers who want an affordable way to populate multiple pots or shady borders with colorful, low-effort foliage plants and who prefer straightforward seed-starting guidance.
Less Ideal for: Gardeners seeking plants focused on large, long-lasting blooms or those who cannot provide regular watering or occasional shade protection during heat spikes.
- High seed count (1200) lets you fill many pots or create dense plantings
- Heirloom, GMO-free seeds with planting guidance included
- Performs well in partial shade and is described as shade resistant
- Fast germination (7–14 days) and compact 12-inch habit ideal for containers
- Primarily grown for foliage rather than showy flowers
- Needs consistent moisture and protection from hot afternoon sun
Verdict: A cost-effective seed pack for quickly filling shade pots and beds with colorful, low-maintenance coleus foliage.
Carpet Creeping Coleus Seeds (100 Count) — Colorful Shade-Loving Foliage
| Indoor Outdoor Usage | Indoor, Outdoor |
|---|---|
| Sunlight Exposure | partial to full shade |
| Soil Type | Loam/Sandy Soil |
| Moisture Needs | Regular/Moderate Watering |
| Unit Count | 100 Count |
These coleus seeds produce a wide range of colorful foliage ideal for brightening shady containers, hanging baskets, and border plantings. Start seeds indoors 8–12 weeks before the last frost, press them lightly onto moist seed-starting mix, and keep soil at 70–75°F for germination in about 10–14 days; transplant after frost and space plants 12–18 inches apart. The packet is described as heirloom and GMO free and is intended for gardeners who want low-maintenance, shade-resistant plants that prefer consistently moist, organically rich soil. Practical benefits include strong visual impact from foliage rather than flowers, quick fill-in for containers, and versatility across compact to mounding habit types. Limitations are that coleus needs regular watering and will not overwinter outdoors in cool climates unless moved indoors, and results depend on correct light and moisture management. For container gardeners on a budget, starting coleus from seed can produce many plants from a single packet but requires some indoor seed-starting effort and attention to moisture during establishment.
Best for: Budget-minded container gardeners who want high-impact, shade-friendly foliage and are willing to start seeds indoors to stretch a single packet across several pots.
Less Ideal for: Gardeners who want instant mature plants without seed-starting or those unable to provide regular watering and occasional indoor overwintering.
- Large 100-count packet provides many seedlings for multiple containers or massing
- Shade-tolerant foliage plants brighten low-light patios and north-facing spots
- Heirloom and GMO-free seed description appeals to organic-minded gardeners
- Versatile uses: containers, hanging baskets, borders, and indoor overwintering
- Requires consistent moisture and will suffer if allowed to dry out
- Not cold-hardy in most zones and must be overwintered indoors or treated as annuals
Verdict: A high-value packet of shade-loving coleus seeds that stretches a small budget into many colorful container plants when you are willing to start them from seed.
Lobelia Erinus Trailing Mix Seeds (300 Count)
| Unit Count | 300 Count |
|---|---|
| USDA Hardiness Zone | 3 |
| Bloom Season | Summer |
| Sunlight Exposure | Full Sun, Partial Shade |
| Moisture Needs | Moderate Watering |
These Lobelia erinus seeds are marketed as a trailing mix suited to hanging baskets, window boxes, and low groundcover where continuous summer color is desired. The packet contains 300 very small seeds that should be pressed onto finely prepared soil without covering and kept moist for germination, which typically takes 14 to 21 days; starting indoors 10 to 12 weeks before last frost speeds flowering. The Riviera-type plants are compact and bloom earlier than some varieties, making them useful when you need color in window boxes on a north-facing exposure that benefits from partial shade. Practical benefits include deer resistance and reliable summer blooms when grown in well-drained, slightly acidic soil with moderate watering. Limitations are that lobelia prefers cooler summers and consistent moisture, so it can struggle in hot, dry conditions unless given afternoon shade and extra care; as seeds, success depends on careful sowing and patience before flowering. For budget planting of multiple boxes this seed count gives good coverage but expect some thinning and transplanting work to establish even displays.
Best for: Buyers outfitting several north-facing window boxes on a tight budget who are willing to start seeds and provide regular watering and partial shade.
Less Ideal for: Gardeners who want instant mature plants without seed-starting work or those in very hot, dry climates unwilling to provide afternoon shade and extra irrigation.
- Large 300-seed packet provides many plants for multiple window boxes or baskets
- Trailing habit is well suited to hanging baskets and window boxes on a north-facing aspect
- Riviera series blooms earlier and offers continuous summer color when established
- Seeds are very small and require surface sowing and careful moisture management for consistent germination
- Performs best in cooler summers and needs partial shade and regular watering in hot climates
Verdict: A cost-effective way to fill multiple north-facing window boxes with continuous summer color if you are prepared to start and care for seedlings.
Chlorofeels Hosta Seeds (200+) — Shade-Tolerant Perennial Seeds
| Indoor Outdoor Usage | Indoor, Outdoor |
|---|---|
| Sunlight Exposure | Partial Shade |
| USDA Hardiness Zone | 3-9 |
| Unit Count | 200 Count |
| Seed Treatment Method | treated |
These Chlorofeels hosta seeds are marketed as an easy-to-grow, shade-tolerant perennial option for containers and shaded garden spots. They are treated seeds supplied in a 200-count packet and are intended for sowing on moist, well-draining soil where light is available for germination. In practice you sow the seeds on the soil surface (do not cover), keep the soil at about 60–70°F and maintain even moisture; germination typically takes 2–8 weeks. Seedlings are then potted up when they have true leaves and acclimated outdoors before planting in shade to partial shade. Key practical benefits are wide hardiness (USDA zones 3–9), suitability for north-facing windows or shaded window boxes, and low maintenance once established. Limitations are that germination can be slow and variable, seedlings require transplanting and care through the first season, and results depend on following the light-and-moisture instructions closely rather than expecting instant, mature plants from seed.
Best for: Buyers who prioritize dependable, low-maintenance shade plants for window boxes or containers and who are willing to start from seed and nurture seedlings through their first season.
Less Ideal for: People who want instant mature plants with no seed-starting or transplanting work should choose established potted hostas instead.
- Large seed count (200+) gives room for selection and replacement of weak seedlings
- Treated seeds that improve initial germination reliability
- Adapted to partial to full shade, suitable for north-facing windows and shaded containers
- Wide USDA hardiness range (zones 3–9) for long-term garden reliability
- Requires patience: germination can take 2–8 weeks and seedlings need transplanting
- No guaranteed germination rate provided so final plant count can vary
Verdict: A reliable, low-maintenance choice for filling north-facing window boxes and shaded containers when you are prepared to start and grow plants from seed.
Sow Right Seeds Rainbow Coleus Seeds (800 Count)
| Unit Count | 800 Count |
|---|---|
| Plant or Animal Product Type | Plectranthus scutellarioides |
| Sunlight Exposure | Partial Sun |
| Expected Blooming Period | Spring to Summer |
| Material Features | GMO Free, Heirloom |
These Rainbow Coleus seeds come in a large packet (about 800 seeds) and are aimed at gardeners who want bright, foliage-focused plants for containers or shaded beds. Coleus is grown for its colorful leaves rather than flowers and this mix produces a wide range of yellow, pink, green, red and maroon patterns that show well in pots and hanging baskets. The packet lists a high germination rate and seedlings typically emerge in 10 to 14 days at soil temperatures around 70 to 75°F. Directions call for shallow planting and spacing appropriate for container culture; mature plants reach roughly 18 to 30 inches tall so they make a substantial potted specimen or companion plant. Because these are non-GMO heirloom seeds sold in a bulk packet, you get many plants for your investment which is useful when filling multiple containers. Limits to expect are typical for coleus: they prefer partial shade and warm conditions and are tender in cold weather, so they need protection or to be brought indoors in cool climates.
Best for: Gardeners who want an affordable way to mass-fill outside pots with colorful, shade-friendly foliage and who prefer growing many plants from seed rather than buying individual transplants.
Less Ideal for: Someone who needs uniform, predictable single-color plants from the start or who wants immediate mature plants without waiting for seed-grown development.
- Very large seed count (about 800) gives good value for filling multiple pots or containers
- Non-GMO heirloom seeds suitable for saving and replanting
- High germination rate and clear planting instructions for quick establishment
- Shade-tolerant foliage plant that performs well in partial sun pots and hanging baskets
- Tender to cold and not suitable for frost-prone outdoor locations without protection
- Packet contains a mix so you cannot predict exact colors or patterns for each plant
Verdict: A budget-friendly way to fill outside pots with vibrant, shade-tolerant coleus foliage by growing many plants from a single large packet of heirloom seeds.
Ficoszo Purple Shamrocks (Oxalis triangularis) — 12 Bulbs
| Indoor Outdoor Usage | Indoor, Outdoor |
|---|---|
| Other Special Features of the Product | Air Purification |
| Expected Blooming Period | Fall, Spring, Summer, Winter, Year Round |
| Expected Planting Period | Spring |
| Material Features | Heirloom |
These Ficoszo purple shamrock bulbs (Oxalis triangularis) are meant for gardeners who want striking purple foliage with minimal fuss. Plant them in pots or window boxes with bright, indirect light and well-draining soil; the leaves emerge quickly and the plant cycles between active growth and semi-dormancy, so you will see interest through multiple seasons. The listing notes indoor and outdoor use and claims a high germination rate and easy care, which fits novice-friendly planting: bulbs arrive sealed in a zipper bag and are ready to plant right away. Notable features include heirloom material and year-round blooming potential under suitable light. Practical benefits are strong visual color contrast for north-facing windows where direct sun is limited, and low maintenance once established. Limitations: performance depends on adequate indirect light and seasonal dormancy means the display can fade in colder months, and specifics like bulb size and exact planting depth are not provided, so you may need to follow general bulb-planting guidance.
Best for: Buyers who want a low-effort, visually striking plant for shady north-facing window boxes and prefer straightforward, easy-care options that perform reliably for casual gardeners.
Less Ideal for: Gardeners seeking continuous heavy flowering or precise, specification-driven plant material should consider more detailed alternatives or full-sun flowering bulbs.
- Striking year-round purple foliage that adds color to shady spots
- Marketed as easy to grow with high germination, suitable for beginners
- Indoor and outdoor use gives flexibility for window boxes or containers
- Listing lacks detailed planting measurements and bulb size information
- Plant enters semi-dormant periods so foliage and blooms are not constant
Verdict: A beginner-friendly, low-maintenance choice that brings bold purple foliage to north-facing window boxes with minimal fuss.
Choosing the Right Plants for North Facing Window Boxes: Key Factors to Consider
Light Exposure and Microclimate
North-facing boxes receive mainly indirect light, often with only a few hours of bright morning or reflected light. That lower light level slows flowering and growth for many sun-loving species. Choosing plants with genuine shade tolerance reduces stretch, sparse foliage, and failure to bloom.
Consider nearby reflective surfaces, overhangs, and how seasons change light angles. A windowsill sheltered by an eave will be cooler and drier than one exposed to reflected heat. Match plant choices to the actual microclimate rather than the general compass direction.
Soil Depth and Root Volume
Window boxes are shallow compared with garden beds, limiting root spread and available water. Plants with compact root systems or those that tolerate confinement will establish more quickly and require less disturbance.
Choose species known for steady but not aggressive root growth. Deep-rooted perennials and large shrubs usually struggle in narrow boxes; pick smaller cultivars, trailing forms, or bulbous plants that use available depth efficiently.
Moisture Retention and Drainage
Shaded boxes often dry more slowly, but wind and heat reflected from nearby structures can create dry patches. Well-draining mix that still holds some moisture is ideal. Plants that tolerate both consistently moist and periodically drier conditions are easier to keep healthy.
Consider liners, drainage hole placement, and a soil mix with organic matter to retain moisture while avoiding waterlogging. Plants that rot easily in wet, cool conditions should be avoided unless you can provide excellent drainage and airflow.
Growth Habit and Spacing
In a confined window box space, growth habit matters as much as hardiness. Upright, mounded, and trailing forms each contribute differently to the visual composition and to practical spacing.
Pick combinations that balance height at the back, filler in the middle, and spillover at the front. Avoid pairing two vigorous spreaders that will compete quickly for the same limited root volume.
Cold and Heat Resilience in Shade
North-facing exposures can be cooler, especially in late season and early spring, but they may also trap humidity and retain cold overnight. Plants need to tolerate cooler root zones and occasional temperature swings.
Select varieties with reliable tolerance to cooler soil temperatures and the ability to recover from light frost if your climate requires it. Conversely, shaded spots can still experience brief heat spikes; species that handle occasional warmer conditions without stress are preferable.
Ornamental Longevity and Interest
Because flowering may be reduced in low light, foliage texture, color, and structure become primary sources of interest. Evergreen or semi-evergreen plants maintain presence longer through the year than short-lived annuals that flop in shade.
Choose plants that provide a mix of leaf shapes, variegation, and seasonal accents like berries or late-season blooms to keep a north-facing box attractive with less reliance on flowering performance.
Designing a Shade-Ready Window Box
Start by planning the visual layers you want: a taller backdrop to frame the window, mid-height plants for the body, and trailing elements to soften the box edge. In low light, keep silhouettes simple so each plant has breathing room and does not get lost against the wall.
Use a soil mix with good organic content and moderate drainage. Add slow-release nutrients appropriate for container use to compensate for the limited soil. Plan watering routes so you can check moisture without disturbing roots frequently.
- Place the tallest plants at the back or center depending on mounting style.
- Reserve front space for trailing foliage that tolerates shade.
- Avoid dense, high-water-demand groupings that can increase rot risk.
Soil and Drainage Tips for Small Boxes
A lightweight, well-structured potting mix helps prevent compaction and encourages root oxygenation while holding enough moisture for shade-tolerant plants. Blend compost or fine bark to improve water-holding capacity without making the mix soggy.
Ensure drainage holes are unobstructed and consider a thin layer of coarse material under the mix if the planter is very shallow. Good drainage lowers the risk of root disease in cooler, less-sunlit boxes.
- Use a mix with 20 to 30 percent organic matter for moisture buffering.
- Check drainage holes each season and top-dress rather than full repotting when possible.
Watering and Feeding Strategy
Shade spots usually need less frequent watering than sun-exposed boxes, but because the soil volume is small, moisture can still fluctuate. Water deeply but less often, letting the top inch of soil become slightly dry between thorough waterings.
Feed with a balanced container fertilizer on a regular schedule during the active growing season. Light-feeding schedules reduce the risk of leggy growth in low light while supporting steady leaf and bloom production.
- Check moisture with your finger rather than relying on a schedule.
- Reduce watering frequency in cool, overcast stretches and increase slightly during warmer spells.
Seasonal Care and Overwintering
Monitor winter temperatures and wind exposure; shallow boxes offer little insulation for roots. In colder climates, consider moving boxes to a sheltered spot, using insulating wraps, or planting options that tolerate cooler soil.
Refresh topsoil and cut back dead foliage in early spring to encourage new growth. Some plants may die back and return in spring, while others remain evergreen and only need light pruning.
- Mulch the surface with a thin layer of fine compost to moderate soil temperature.
- Bring tender boxes inside or under cover during prolonged hard freezes if feasible.
Combining Textures and Colors in Low Light
When blooms are scarce, mix varied leaf textures and colors for visual interest. Use variegated leaves, glossy and matte surfaces, and differing leaf shapes to create contrast that reads even in diffuse light.
Introduce small accents like seed heads, architectural grasses in compact forms, or seasonal bulbs for surprise color without needing full sun.
- Place variegated or lighter-colored foliage where it catches the most available light.
- Limit the number of bold colors to avoid a cluttered look in low-contrast conditions.
How We Chose the Best Plants for North Facing Window Boxes
We selected plants for inclusion based on attributes that matter in low-light, cooler-facing window boxes. Key evaluation criteria were light tolerance, moisture and soil behavior, growth habit and size control, cold and heat resilience in shaded microclimates, and ornamental interest across the season. Each candidate had to reliably thrive in predominantly indirect light and fit the shallow soil volume typical of window boxes. We favored species and cultivars known for predictable habits rather than experimental or highly finicky varieties. Plants were excluded if they require full sun, deep rootbeds, or extensive pruning to maintain form in a small container. We also excluded specimens that are highly invasive or require greenhouse-level care. Our process prioritized plants that perform well with reasonable routine maintenance, are tolerant of the variable moisture common to raised window planters, and provide either foliage or bloom interest to keep a north-facing box attractive through multiple seasons.
FAQ
Can any plant grow well in a north-facing window box?
Not any plant. Many sun-loving varieties will struggle in predominantly indirect light. Choose species known for shade tolerance and compact root systems to succeed in shallow, cooler boxes.
How often should I water a north-facing window box?
It usually needs less frequent watering than a sunny box, but depth matters. Water thoroughly and allow the top inch to dry slightly between waterings, checking soil moisture by hand to avoid overwatering.
Are bulbs a good option for shaded window boxes?
Some bulbs perform well in shade, especially spring bulbs that bloom before canopy leaf-out. Opt for bulbs known to tolerate lower light and plant them at the recommended depth for the container.
Will foliage-only plantings look attractive without many flowers?
Yes. In low light, foliage with varied texture and color provides lasting interest. Mixing variegation, evergreen forms, and different leaf shapes creates depth and year-round appeal.
How do I prevent root rot in a cool, shaded box?
Use a well-draining mix with added organic matter, ensure drainage holes are clear, and avoid constant surface wetness. Choose plants that tolerate moist-but-not-waterlogged soil to reduce rot risk.
Should I change plants seasonally in north-facing boxes?
It depends on the species. Many shade-tolerant perennials and evergreen choices provide multi-season interest, but swapping seasonal bulbs or adding a few annuals can refresh color without overhauling the whole box.
Final Verdict
Prioritize plants that tolerate low light, fit shallow containers, and handle cooler, variable moisture conditions when planning a north-facing window box. Focus on growth habit, foliage interest, and moisture behavior rather than relying solely on flowering performance. With the right selections and simple seasonal care, a north-facing box can be a low-maintenance, attractive feature that stays interesting through changing conditions.
