Site index
Every Growli guide & tool,
in one place.
A complete, crawlable map of everything on Growli — 255 gardening guides, 200 plant-care species, hardiness zones, planting calendars, the glossary, free courses, and every tool.
Gardening guides(206)
App comparison (1)
App comparison (6)
- How to identify a houseplant — 4 methods that work
- What's wrong with my plant? — best apps for diagnosis
- Best plant identifier app 2026 — tested and ranked
- PictureThis alternatives — 7 plant ID apps compared
- PictureThis vs PlantNet — honest head-to-head 2026
- Best plant care app — what to look for + 7 tested
Climate & timing (11)
- August garden tasks US — fall planting + harvest
- Crabgrass control — preemergent + post-emergent
- Dethatching lawn — when, how, by grass type
- How to overseed your lawn — fall + spring protocol
- July garden tasks US — peak harvest + heat stress
- June garden tasks US — tomatoes, watering, pest watch
- Lawn fertilizer schedule — month-by-month NPK guide
- Lawn watering guide — how much, when, by zone
- May garden tasks US — what to plant + watch by zone
- October garden tasks US — winter prep + leaf collection
- September garden tasks US — garlic, lift bulbs, lawn
Edible gardening (45)
- Container vegetable gardening — what to grow in 10L pots
- Fall vegetable garden — what to plant Aug-Oct by zone
- Garden soil preparation — pH, amendments, no-dig method
- How to grow carrots — soil prep, sowing, harvest timing
- How to grow chives — common, garlic & harvesting
- How to grow cucumbers — sowing to harvest in 60 days
- How to grow garlic — plant to cure, full guide
- How to grow green beans — bush vs pole guide
- How to grow lettuce — succession + cut-and-come-again
- How to grow mint — container, varieties, harvest guide
- How to grow onions — sets vs seed, day length
- How to grow oregano — Greek vs Italian vs Mexican types
- How to grow parsley — flat-leaf vs curly + biennial cycle
- How to grow potatoes — chitting to harvest guide
- How to grow rosemary — overwintering + 'Tuscan Blue'
- How to grow strawberries — June vs everbearing
- How to grow thyme — common, lemon, creeping varieties
- How to grow zucchini — productive plants in 50 days
- How to make compost — hot pile, cold pile, or bin in 90 days
- Hydroponic vegetables at home — DWC, NFT, Kratky
- Mulching guide — when, what, and how much for any bed
- No-dig garden — Charles Dowding method explained
- Raised bed vegetable garden — sizing, soil, season 1 setup
- Succession planting — harvest every week from one bed
- Vertical vegetable garden — trellises, towers, walls
- Winter vegetable garden — cold frames, polytunnels
- Companion planting guide — what works, what is folklore
- Easiest vegetables to grow — 12 ranked by time and ease
- How to grow blackberries — thornless varieties + pruning
- How to grow blueberries — soil pH, varieties, harvest
- How to grow figs — cold hardy varieties + winter care
- How to grow grapes — table + wine + the trellis
- How to grow raspberries — summer + autumn varieties
- How to grow rhubarb — crowns, division, and harvest
- How to start a vegetable garden — beginner US + UK guide
- Seed starting indoors — complete beginner guide that works
- Vegetable Garden Layout — the complete planning guide
- How to grow basil — indoor + outdoor beginner guide
- How to grow peppers — beginner US + UK timing guide
- How to grow tomatoes — complete US + UK guide
- How to prune basil so it grows bushy, not leggy
- What fertilizer for tomatoes? Best feed by stage
- When to fertilize tomatoes — beginner timing guide
- When to plant garlic — fall planting calendar US + UK
- When to plant tomatoes — US zone + UK timing chart
Houseplant care (40)
- Air plant care — the complete Tillandsia guide
- Anthurium care — the complete flamingo flower guide
- Bird of paradise care — the complete indoor guide
- Christmas cactus care — the complete bloom guide
- Bonsai for beginners — first tree + 6-month care plan
- Cactus care — indoor watering, dormancy & bloom guide
- How to build a terrarium — open vs closed, plants, drainage
- Indoor herb garden setup — windowsill to grow tent guide
- Kokedama tutorial — Japanese moss ball plant in 30 minutes
- Microgreens indoors — 7-day harvest setup + 10 varieties
- Propagation station setup — water vs soil + best vessels
- Succulent care — the complete guide
- Best fertilizer for indoor plants — 8 picks compared
- Best house plants — 12 ranked for real homes 2026
- Best soil for succulents — 5 mixes ranked + DIY recipe
- Calathea care — fix the humidity, or skip the plant
- Deadheading flowers — what, when, and why (complete guide)
- Houseplant fertilizer schedule — month-by-month NPK guide
- Humidity for houseplants — what your plants actually need
- Indoor garden setup — gear, layout, and 30-day plan
- Indoor plant care — the complete houseplant guide
- Indoor plants for beginners — 9 plants hard to kill
- Jade plant care — the 50-year windowsill succulent
- Keep plants alive while away — 2-week vacation guide
- Orchid care (Phalaenopsis moth orchid) — rebloom yearly
- Plant propagation methods — water, soil, leaf, division
- Prayer plant care — fix the humidity issue first
- Pruning houseplants — when and how to make plants bushier
- Aloe vera care indoors — water, light, and pot drainage
- Fiddle leaf fig care — fix the fussy houseplant
- How often to water succulents — indoor + outdoor guide
- How to propagate pothos in water or soil — 14-day guide
- How to repot a plant — the 7-step beginner method
- Best low light plants — 12 tested for dim rooms
- Monstera (Swiss cheese plant) care — light, water, splits
- Peace lily care — bloom, water, and brown-tip fixes
- Pothos (devil's ivy) care — the easiest trailing houseplant
- Snake plant care — the bulletproof houseplant guide
- Spider plant care — water, brown tips, and spiderettes
- ZZ plant care — the bulletproof low-light houseplant
Pests & diseases (18)
- Deer resistant plants — 20 picks deer won't touch
- Japanese beetle control — neem, milky spore, hand-picking
- Mosquito repellent plants — 10 tested picks
- Rabbit proof plants — 15 species rabbits avoid + fencing
- Slugs and snails — UK + US control after metaldehyde ban
- Tomato hornworm — ID, hand-picking, Bt control
- Garden pest identification — the complete guide
- Houseplant diseases — 7 common types, how to ID them fast
- Houseplant pests: 12 most common bugs identified
- Plant fungus: 8 common types + how to identify each
- Sticky leaves on a houseplant — what the honeydew tells you
- How to get rid of aphids on plants — full kill guide
- How to get rid of fungus gnats — 4-step kill protocol
- How to get rid of mealybugs on houseplants — full guide
- Powdery mildew — identify, treat, and prevent
- Root rot — diagnose, save your plant, prevent recurrence
- Scale insects on plants — how to identify and kill
- How to get rid of spider mites — 4-step kill plan
Plant care Q&A (1)
Plant library (23)
- Bee friendly plants — 20 picks pollinators actually visit
- Butterfly garden plants — host vs nectar plants explained
- Climbing houseplants: 10 vines that need a moss pole
- Cottage garden plants — 15 English country classics
- Drought tolerant garden plants — 18 picks for low-water beds
- Drought tolerant houseplants — 10 best picks
- Fast-growing houseplants — 12 that fill a room
- Full sun perennials — 15 picks for 6+ hours direct light
- How to prune roses — hybrid tea, climber, shrub by type
- Hummingbird plants — 15 nectar-rich picks (US zones 4-9)
- Japanese garden design — plants + principles for any size
- Large houseplants: 10 floor plants that fill a corner
- Lawn care basics — month-by-month US + UK lawns
- Lawn mowing tips — height by grass type + frequency
- Native plants Northeast — 18 picks for NY/PA/MA/CT
- Pollinator friendly perennials — 12 long-blooming picks
- Shade loving perennials — 15 picks for north-facing beds
- Small houseplants: 12 picks for tiny shelves + desks
- Trailing houseplants — 12 best cascading vines
- Wildlife garden plants — birds, bees & butterflies
- Xeriscape plants — water-wise garden 20 picks (zones 4-10)
- Best office desk plants — 10 tested for low light
- Plants for north-facing windows — 12 best picks
Plant library (30)
- Types of fertiliser: organic, synthetic, slow-release + NPK
- Types of herbs: 15 culinary and medicinal varieties
- Types of lettuce: 12 varieties from butterhead to romaine
- Types of pots for plants: terracotta to fabric grow bags
- Types of soil: clay, sand, silt, loam + potting mix guide
- Types of vegetables: a complete grower's guide by family
- Low-maintenance houseplants — 20 nearly unkillable picks
- Pet-safe houseplants — 20 non-toxic plants for cats and dogs
- Types of cacti — 15 indoor and outdoor varieties identified
- Types of daffodils: 13 varieties for spring colour
- Types of dahlias: 10 flower forms from pompon to dinnerplate
- Types of ferns — 15 indoor and outdoor varieties
- Types of flowers: 20+ annuals & perennials for any garden
- Types of grass: 10 lawn grass varieties identified
- Types of hostas: 15 shade-loving varieties
- Types of houseplants — 30+ varieties for every room
- Types of hydrangeas: 6 species + pruning by type
- Types of ivy plants — 12 varieties indoors and out
- Types of monstera — 8 varieties from deliciosa to rare albo
- Types of edible mushrooms (incl. how to identify safely)
- Types of orchids — 12 popular varieties for indoor growers
- Types of indoor palms — 10 varieties from areca to parlor
- Types of peonies: tree, herbaceous, intersectional explained
- Types of philodendron — 12 varieties for every home
- Types of roses — 12 varieties for every garden
- Types of snake plants — 10 sansevieria varieties identified
- Types of succulents — 25+ varieties with care needs
- Types of tomatoes: 15 cultivars from beefsteak to cherry
- Types of trees: 25 species by climate, leaf, and use
- Types of tulips: 12 classic + rare varieties identified
Symptom diagnostics (29)
- Burnt leaf tips — 5 causes from fluoride to fertiliser burn
- Calathea leaves curling — humidity, water, or stress?
- Fiddle leaf fig leaves falling off — what's wrong + fix
- Monstera yellow leaves — 5 causes diagnosed
- Peace lily not blooming? 4 causes + 4 fixes
- Why won't my plant flower? 6 causes diagnosed
- Pothos yellow leaves — the 5-cause diagnosis
- Root bound plant — signs + how to safely repot
- Slow growing plant? The 6 reasons your plant has stalled
- Snake plant drooping — root rot vs underwatering vs light
- Stunted plant growth — 7 causes and the 24-hour fix
- Wrinkled leaves on houseplants — succulent thirst or worse?
- Brown spots on plant leaves — the complete diagnosis guide
- How to revive a plant — the 7-day rescue protocol
- Leggy plants — why they stretch + how to fix etiolation fast
- Why does potting soil smell musty? 4 causes + fix
- Plant dropping leaves? The 5-cause diagnostic guide
- White mold on plant soil — what it is & how to remove
- White spots on plant leaves — mildew, pests, or salt?
- Why is my plant dying? 5 causes ranked
- Why is my plant wilting? The 6-cause diagnosis guide
- Yellow tomato leaves — 5 causes ranked and fixed fast
- Why are my plant leaves curling? 6 causes, fixed in a day
- Overwatered plant — how to fix it in 2 weeks
- Overwatered vs underwatered plant — 5-second test
- Underwatered plant — recognise and recover in 48 hours
- What's wrong with my plant? 60-second triage guide
- Why is my succulent dying? Save it in 4 steps
- Why are my plant leaves turning yellow? 5 causes, ranked
Zones & planting calendar (2)
UK gardening guides(49)
- Aloe vera care UK — sun, watering & pet safety
- August garden tasks UK — harvest, sow and autumn prep
- Best house plants UK — 12 ranked for British homes 2026
- Best plant identifier app UK 2026 — tested and ranked
- Brown spots on plant leaves UK — complete guide
- Why are my plant leaves curling? UK guide — 6 causes fixed
- Houseplant fertiliser schedule UK — month-by-month NPK guide
- How to grow peppers UK — greenhouse-dominant beginner guide
- How to repot a plant UK — the 7-step British method
- How to revive a plant UK — the 7-day British rescue protocol
- Humidity for houseplants UK — fix crispy tips
- Indoor plant care UK — the complete British houseplant guide
- Indoor plants for beginners UK — 9 plants hard to kill
- Jade plant care UK — the 50-year windowsill succulent
- July garden tasks UK — peak harvest and pest watch
- June garden tasks UK — strawberries, tomatoes and watering
- Best low light plants UK — 12 tested for dim British rooms
- May garden tasks UK — complete sow, plant and watch list
- October garden tasks UK — winter prep + leaf collection
- Orchid care UK — Phalaenopsis moth orchid complete guide
- PictureThis alternatives UK — 7 plant ID apps compared 2026
- Best plant care app UK 2026 — what to look for + 7 tested
- UK plant propagation methods — water, leaf, division guide
- Pruning houseplants UK — when, where & how, bushier
- September garden tasks UK — bulbs, garlic, lift tubers
- Best fertiliser for tomatoes UK — Tomorite & more
- What's wrong with my plant? UK gardener 60-second triage
- Why is my plant dying? UK gardener guide — 5 causes ranked
- Why is my plant wilting? UK gardener guide — 6 causes ranked
- Why is my succulent dying? UK rescue — save it in 4 steps
- Get rid of aphids UK — greenfly & blackfly guide
- Calathea care UK — fix the humidity or skip the plant
- Fiddle leaf fig care UK — fix the fussy houseplant
- How often to water succulents — UK indoor + outdoor guide
- How to grow basil UK — indoor & outdoor guide
- How to grow tomatoes in the UK — complete RHS-aligned guide
- Monstera care UK — Swiss cheese plant complete guide
- Peace lily care UK — bloom, water, and brown-tip fixes
- Pothos care UK — devil's ivy complete guide
- Powdery mildew UK — identify, treat, and prevent guide
- Root rot UK — diagnose, save your plant, prevent recurrence
- Seed starting indoors UK — windowsill + propagator guide
- Snake plant care — the bulletproof UK houseplant guide
- How to get rid of spider mites UK — complete kill guide
- Spider plant care UK — water, brown tips, and spiderettes
- When to plant garlic in the UK — autumn planting guide
- When to plant tomatoes in the UK — complete RHS timing guide
- Why are my plant leaves turning yellow? UK gardener guide
- How to get rid of fungus gnats — UK gardener guide
Plant care library(200)
Plant care hub — care guides for 200 houseplant and garden species.
- Monstera
- Snake plant
- Pothos
- Fiddle leaf fig
- Peace lily
- Philodendron
- Dracaena
- Peperomia
- Prayer plant
- Calathea
- ZZ plant
- Jade plant
- Aloe vera
- Cast iron plant
- Chinese evergreen
- Parlor palm
- Rubber plant
- Schefflera
- Spider plant
- Tomato
- Pepper
- Basil
- Cucumber
- Lettuce
- Bean
- Garlic
- Pea
- Squash
- Carrot
- Herb garden
- Bird of paradise
- String of pearls
- Hoya
- Anthurium
- Alocasia
- Bromeliad
- Croton
- Dieffenbachia
- Yucca
- Ponytail palm
- Areca palm
- Kalanchoe
- Christmas cactus
- African violet
- English ivy
- Wandering dude
- Elephant ear
- Orchid
- Boston fern
- Money tree
- Maidenhair fern
- Staghorn fern
- Air plant
- Cacti (general care)
- Echeveria
- Sedum
- Haworthia
- Lithops
- Cattleya orchid
- Dendrobium orchid
- Norfolk Island pine
- Lucky bamboo
- Rex begonia
- Fittonia
- Chinese money plant
- Strawberries
- Blueberries
- Raspberries
- Mint
- Rosemary
- Thyme
- Oregano
- Parsley
- Cilantro / coriander
- Sage
- Lavender
- Chamomile
- Zucchini / courgette
- Onions
- Spinach
- Kale
- Cabbage
- Broccoli
- Radish
- Potato
- Rose
- Tulip
- Daffodil
- Hibiscus
- Geranium (pelargonium)
- Petunia
- Marigold
- Zinnia
- Dahlia
- Peony
- Hydrangea
- Sunflower
- Lemon tree
- Avocado
- Weeping fig
- Clivia
- Guzmania
- Polka dot plant
- Arrowhead plant
- Dragon tree
- Corn plant
- Cordyline
- Sago palm
- Lady palm
- Kentia palm
- Majesty palm
- Fishtail palm
- Ming aralia
- Sweetheart plant
- Wax plant
- String of hearts
- String of bananas
- String of dolphins
- Burro's tail
- Golden pothos
- Marble queen pothos
- Neon pothos
- Silver pothos
- Swiss cheese vine
- Philodendron Brasil
- Heartleaf philodendron
- Philodendron micans
- Tree philodendron
- Caladium
- Coleus
- Ficus Audrey
- White bird of paradise
- Lemon button fern
- Asparagus fern
- Button fern
- Kimberly queen fern
- Vriesea
- Crocodile fern
- False shamrock
- Pumpkin
- Butternut squash
- Acorn squash
- Spaghetti squash
- Delicata squash
- Eggplant / aubergine
- Okra
- Sweet potato
- Bell pepper
- Jalapeño
- Habanero
- Corn
- Pole beans
- Lima beans
- Snap peas
- Snow peas
- Watermelon
- Cantaloupe
- Honeydew melon
- Asparagus
- Rhubarb
- Swiss chard
- Beet
- Turnip
- Parsnip
- Brussels sprouts
- Cauliflower
- Fennel
- Arugula / rocket
- Dill
- Chives
- French tarragon
- Sweet marjoram
- Lemon balm
- Catnip
- Lemon verbena
- Lemongrass
- Stevia
- Bay laurel
- Fenugreek
- Summer savory
- Winter savory
- Wormwood
- Anise hyssop
- Iris
- Crocus
- Hyacinth
- Lily of the valley
- Snapdragon
- Pansy
- Impatiens
- Begonia
- Flowering coleus
- Nasturtium
- Cosmos
- Salvia
- Lupine
- Forget-me-not
- Sweet pea
- Hellebore
- Primrose
Plant data guides
Per-species and per-zone data guides — derived from each species' real care needs and US/UK climate data.
- Watering schedule by species
- Light requirements by species
- Best soil & potting mix by species
- Fertilising guide by species
- When & how to repot by species
- How to propagate by species
- Why won’t it bloom — by species
- Mature size by species
- Cold hardiness by species
- When to plant crops by US state
- USDA zone by US state
- Frost dates by USDA zone
- Garden calculators & tools
Diagnose
The diagnostic hub links out to every species × symptom combination (yellow leaves, drooping, brown tips, pests, and more).
Hardiness zones(22)
USDA zones (US)
- USDA hardiness zone hub
- First frost dates
- Zone 1
- Zone 2
- Zone 3
- Zone 4
- Zone 5
- Zone 6
- Zone 7
- Zone 8
- Zone 9
- Zone 10
- Zone 11
- Zone 12
- Zone 13
RHS ratings (UK)
- UK RHS hardiness rating hub
- H1a — Heated greenhouse (tropical)
- H1b — Subtropical (heated greenhouse / sheltered indoor)
- H1c — Warm temperate (cool greenhouse / bright porch)
- H2 — Tender (frost-free coastal microclimates)
- H3 — Half-hardy (mild coastal areas)
- H4 — Hardy (average UK winter)
- H5 — Hardy (cold UK winter)
- H6 — Hardy (very cold winter)
- H7 — Very hardy (extreme winter cold)
Planting calendar
Companion planting(12)
Pests(8)
Glossary(100)
- Gardening glossary hub
- Air layering
- Anthracnose
- Aphid
- Biological control
- Blanching
- Blight
- Blossom end rot
- Bolting
- Bottom heat
- Bottom watering
- Callusing
- Capillary action
- Chill hours
- Chlorosis
- Cloche
- Cold frame
- Companion planting
- Compost
- Coppicing
- Cover crop
- Damping off
- Day length
- Deadheading
- Division (propagation)
- Dormancy
- Drainage
- Drainage layer (myth)
- Ericaceous (acid-loving)
- Etiolation
- Evapotranspiration
- Fenestration
- First frost
- Foliar feeding
- Frost date
- Germination
- Grafting
- Green manure
- Growing degree days (GDD)
- Growing season
- Harden off
- Hardiness zone
- Honeydew
- Integrated pest management (IPM)
- Intercropping
- Internode
- Last frost
- Layering (propagation)
- Leaching
- Leaf axil
- Leaf mould
- Leaf spot
- Loam
- Microclimate
- Micronutrients
- Mildew
- Mulch
- Neem oil
- Nitrogen
- No-dig (no-till) gardening
- Node
- NPK ratio
- Organic matter
- Overwatering
- Perlite
- Phosphorus
- Photoperiod
- Photosynthesis
- Phototropism
- Pinching
- Plant quarantine
- Pollarding
- Potassium
- Propagation
- Respiration
- Rhizome
- Root-bound
- Row cover (floating fleece)
- Saprophytic
- Scale
- Self-watering pot
- Shoulder season
- Side dressing
- Soak and drain
- Soil amendment
- Soil pH
- Sooty mold
- Stomata
- Stratification
- Succession planting
- Systemic insecticide
- Thrips
- Top-dressing
- Topping (FIM and main-stem topping)
- Transpiration
- Underwatering
- Vascular wilt (verticillium and fusarium)
- Vermiculite
- Vernalisation
- Whitefly
- Wicking