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  • Plant Care — Season-by-Season Guides

Plant Care That Actually Works — No Guesswork, No Wasted Plants

Most plants die from one of 4 mistakes: wrong watering, wrong timing, wrong soil prep, or skipping winter protection. This guide covers the right way to water, fertilize, prune, and prepare plants for each season — with specific advice for perennials, shrubs, trees, and containers so you stop losing plants to preventable causes.

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Most recent guide

Bougainvillea Care: Complete Growing Guide 2026

Bougainvillea care requires full sun (6+ hours daily), well-draining soil, and deep but infrequent watering — those 3 conditions drive the vivid bract color this plant is known for. Get them right and bougainvillea rewards you with multiple bloom flushes per year across USDA Hardiness Zones 9–11. This guide covers every step of growing bougainvillea: choosing the right variety, planting, watering, fertilizing, pruning, training, troubleshooting, and overwintering in colder zones. Bougainvillea Care Quick-Reference Table Use this table to match every care task to its correct timing, method, and difficulty level. Task Timing Method Difficulty Notes Planting Spring (after last frost)

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CORE PLANT CARE GUIDES
 
Care by Plant Type

Plant Care Rules That Change by Plant Type

Perennials, shrubs, trees, and container plants all follow different care rules. Watering depth, fertilizer timing, and pruning technique that works perfectly for a perennial border actively harms a newly planted tree. Match the care approach to the plant type, not just the season.

Perennial Care

Water 1 in (2.5 cm) per week. Fertilize once in early spring. Cut back dead stems in late March — not fall. Divide every 3–4 years when the plant center goes bare. Key timing: Spring division, midsummer deadheading, late-March cleanup

Shrub Care

Deep water twice a week in year one. Prune spring bloomers right after flowering. Prune summer bloomers in early spring. Mulch 3 in (7 cm) deep, pulled back from the stem base. Key timing: Post-bloom pruning for spring types, early spring for summer types

Tree Care

Water the root zone — not the trunk — at 1 in (2.5 cm) per week for 2 full years after planting. Do not fertilize newly planted trees. Prune only dead, damaged, or crossing branches in late winter. Key timing: Late-winter structural pruning, 2 years of establishment watering

Container Plant Care

Containers dry out 3× faster than ground plantings. Check soil moisture daily in summer. Water until water drains from the bottom holes. Fertilize every 2–3 weeks with liquid fertilizer through the growing season. Key timing: Daily moisture checks, bi-weekly liquid feeding May–September

Bulb Care

Plant spring bulbs in fall when soil drops below 50°F (10°C). Do not cut foliage until it turns yellow — leaves feed the bulb for next year. Deadhead spent flowers but leave the stem until leaves die back naturally. Key timing: Fall planting, post-bloom deadheading, wait for yellow leaves before cutting

Lawn Care Timing

Fertilize cool-season grasses in fall, not spring. Fertilize warm-season grasses in late spring when fully green. Mow at the highest setting — 3–4 in (7–10 cm) — to shade out weeds and retain soil moisture. Key timing: Fall feeding for fescue and bluegrass, late-spring feeding for zoysia and bermuda

Seasonal Plant Care Calendar — Month by Month

A 12-month reference covering the most time-sensitive plant care tasks for perennials, shrubs, and trees across zones 4–8.

Month Perennials Shrubs Trees Containers
March Cut back old stems, divide early risers Prune summer bloomers before buds break Structural pruning while dormant Start seeds indoors 6–8 weeks before frost
April Apply slow-release fertilizer, add mulch Watch for aphids on new growth Check for winter damage, remove crossing branches Move cold-hardy plants outside after last frost
May Stake tall plants before they fall over Prune spring bloomers after flowering ends Deep water if dry spring, no fertilizer Plant summer annuals, begin bi-weekly liquid feeding
June Deadhead spent flowers, shear mounding types Check soil moisture weekly in heat Mulch root zone 3 in (7 cm) deep Water daily or twice daily in heat
July Cut back mounding perennials for rebloom Water deeply twice a week in drought Watch for drought stress — wilting at midday Refresh potting mix in containers over 2 years old
August Second fertilizer application in cool climates only Last chance to prune without affecting fall buds Continue deep watering through dry August Reduce fertilizer frequency, prepare for fall transition
September Stop fertilizing, let plants harden off Plant new shrubs — roots establish before frost Plant bare-root and container trees Bring frost-tender containers inside before first frost
October Leave seed heads for birds, do not cut back Water deeply before ground freezes Deep water newly planted trees before freeze Store empty containers upside down to prevent cracking
November Apply winter mulch after ground freezes Wrap newly planted broadleaf evergreens in burlap Finish planting before ground freezes Store tender bulbs frost-free in paper bags
December–Feb Leave all stems standing through winter Remove heavy snow from branches gently Order bare-root stock for spring planting Check stored bulbs monthly for rot or desiccation
Most Common Mistakes

3 Plant Care Mistakes That Kill More Plants Than Pests or Disease

Pests and disease get the blame, but 3 basic care errors cause the majority of plant deaths in home gardens. Fix these 3 things and your plants handle most pests and diseases on their own.

Mistake 1 — Watering

Watering on a schedule instead of checking the soil

A watering schedule ignores weather, season, soil type, and the plant's actual growth stage. A perennial in active bloom in a hot July week needs far more water than the same plant in a cool cloudy September. Press a finger 2 in (5 cm) into the soil before every watering decision — if the soil feels moist, wait. Water only when the top 2 in (5 cm) is dry. This one change prevents the majority of overwatering deaths, which outnumber underwatering deaths in most home gardens by 3 to 1.

Mistake 2 — Mulching

Mulch volcanoes against stems cause slow crown rot

Piling mulch 6–8 in (15–20 cm) deep against a plant stem or tree trunk traps moisture against the bark constantly. Bark needs air. Constant contact with moist mulch breaks down bark tissue over months and years — the damage is invisible until the plant collapses. Apply mulch 2–3 in (5–7 cm) deep and keep it 2–3 in (5–7 cm) away from all stems. The mulch ring around a tree should look like a donut — with a dry gap at the center where the trunk emerges. This single adjustment prevents crown rot in perennials and collar rot in trees and shrubs.

Mistake 3 — Planting Depth

Planting too deep starves roots of oxygen and kills plants slowly

The root flare — the point where stem widens into roots — belongs at or just above soil level. Every inch (2.5 cm) of soil over the root flare reduces the oxygen available to feeder roots. Trees planted 3–4 in (7–10 cm) too deep decline slowly over 3–5 years before the problem becomes obvious. At planting, set the root ball high, backfill with existing soil (not amended mix), and make sure the root flare is visible. For perennials, set the crown at soil level — not below it. A plant set slightly high always recovers. A plant set too deep rarely does.