How to Improve Your Garden Using Last Years Lessons

Every season imparts knowledge. Occasionally it’s a delightful revelation, like a species you nearly didn’t sow that outshined all others. Sometimes it’s a hard-earned lesson, like the summer I lost some plants to root rot because I assumed wilting during a heat wave necessarily indicated dehydration.

Regardless, those encounters are among the most beneficial planning instruments you possess.

Devoting a bit of time at the end of the season or right at the beginning of the next to reflect on what truly transpired in the garden can lead to a noticeable difference in how the upcoming year unfolds. Not in an intricate manner, but a sincere assessment of what succeeded, what failed, and what you would approach differently.

This article guides you through the steps: the review, the objective setting, the soil preparation, the planting timetable, and the routines that maintain a healthy garden throughout the season. Take out your gardening journal if you possess one. If you don’t, now is the perfect moment to begin.

summer cottage garden in full bloom with greenhouse in the background

Table of Contents

How to Conduct an End-of-Season Garden Review

zinnias in the cut flower garden

Prior to ordering seeds or sketching out new designs, take a moment to reflect on last season’s garden. This doesn’t need to be formal. A few candid notes will suffice.

Begin With the Successes

blazing star, lilies, coneflower, gladiolus in cottage garden overlooking the bay

What surpassed your expectations? Which plants were more fruitful than you had anticipated? Which varieties excelled compared to last year?

Document these observations. They can be easily overlooked by the time seed catalogs arrive in January, and your achievements are among the most valuable insights you have. If a particular zinnia variety lured pollinators all summer, or a specific dahlia bloomed from August until frost, that is worth recording and repeating.

Consider why those plants thrived. Was it due to a particular location in the garden? A modification in how you watered or fertilized them? Did you treat that bed differently? The more precisely you can pinpoint what led to a success, the simpler it is to replicate.

Next, Examine the Challenges

shade cloth covering cut flower garden

Now comes the candid part. What faced difficulties? What did you lose, and what were the reasons? Were there pest issues, disease challenges, drainage complications, or areas that simply lacked sufficient sunlight?

This section also includes unforeseen weather events. One summer, I encountered three days of temperatures exceeding 100°F at the end of June… something that had never occurred in all my years of gardening in Puget Sound. I didn’t consider putting up shade cloth until the second day, and I lost several plants to scorch. Others I attempted to compensate for by overwatering, leading to root rot. Two distinct lessons from a single heat wave.

Documenting these details isn’t about fixating on what went wrong. It’s about constructing a more comprehensive view of your garden, one that encompasses the weather, the timing, and your own choices, so that next year proceeds a bit more effortlessly.

Recognizing What to Adjust

snapdragons covered by shade cloth

Once you’ve acknowledged your successes and challenges, ponder: What would have the most significant effect if I altered it? Not every lesson needs to transform into an action point.

overwatered plants

Select the two or three aspects that hold the most significance.

most: a water drainage issue in a garden that’s been unsatisfactory for two years, a nuisance that continues to appear due to where you’ve been sowing, a species that appears stunning in a catalog yet never flourishes for you.

These are the main focuses for the upcoming season.

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Establishing Objectives for the Upcoming Season

Objectives provide your garden planning with some guidance. In their absence, it’s simple to introduce plants spontaneously without considering how they interrelate, or to persist with past habits without questioning if they are truly effective.

Clarify What You Seek from This Season

yellow sunflowers and black-eyed Susans in garden

Some common gardening objectives that are worthwhile to contemplate:

  • Increasing the cut flower areas or exploring different varieties
  • Establishing a more pollinator-friendly environment
  • Minimizing upkeep by incorporating additional perennials
  • Experimenting with a novel growing technique or structure (trellises, raised beds, staggered planting)
  • Simply enjoying the garden more… less stress, more enjoyment

Your targets could be a combination of these or something completely unique. What’s crucial is noting them down prior to planning so they genuinely influence your choices instead of being forgotten when seed-ordering season arrives.

What Type of Garden Do You Desire?

cream dahlias with yellow centers and bee pollinating

Is this mainly a cut flower garden, a cottage perennial border, a combination of vegetables and flowers, or something else entirely? The response will influence everything from flower selection to bed configuration to the level of weekly maintenance you’re agreeing to undertake.

If you are gravitating towards cut flowers, consider bloom succession: which flowers bloom first, which ones last through midsummer, and which provide cutting options in September. If your focus is on low maintenance, a greater proportion of perennials to annuals dramatically alters the upkeep required.

Be Transparent About Your Resources

greenhouse and cut flower garden with marigolds and tomatoes

Prior to finalizing plans, assess your actual limitations:

  • What is your financial plan for seeds, transplants, and materials this season?

  • Do you possess the equipment you require, or are there deficiencies to address?
  • How many hours each week can you realistically dedicate to the garden?

Over-scheduling is one of the most frequent ways gardeners set themselves up for disappointment. A compact, well-cared-for garden is more gratifying than an ambitious one that feels burdensome by August.

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Garden Materials and Equipment

Explore my preferred garden materials and equipment for the planting season. Whether in search of potting soil or deer deterrent, you’ll find what I utilize in my personal garden.

Choosing Plants and Varieties

late summer garden flowers

This is where notes from last year come in handy. You already know which plants excelled in your unique conditions and which ones did not deserve their place. Utilize that information.

Select Plants Ideal for Your Climate

sunflower in the garden

Your USDA hardiness zone offers a foundation for what will survive winter in your area, but local microclimates are important as well. Here in Zone 8b along the Pacific Northwest coast, I can cultivate plants that wouldn’t endure in inland Zone 8 gardens, while struggling with some that inland growers find simple.

Your local extension office, a reliable independent nursery, or the WSU Master Gardener program (for Washington gardeners) can be genuinely beneficial in understanding what flourishes in your specific region beyond what the zone map indicates.

Introduce Variety by Experimenting with New Types

chocolate lace flower and greenhouse

Experimenting with a few new types each season is one of the most delightful aspects of gardening, and it’s also beneficial. You won’t discover what thrives exceptionally well in your garden until you give it a try. One or two new introductions each season keep things engaging without overburdening your planning.

Align Plants with Your Space and Objectives

vintage flower container with summer flowers

If you’re utilizing raised beds and aiming for cut flowers, consider succession planting: what to sow first (snapdragons, sweet peas), what to fill in for mid-summer (zinnias, cosmos, dahlias), and what to continue through to autumn (strawflowers, asters). If space is limited, prioritize plants that yield the most blooms per square foot.

For any area, take the mature size of what you’re planting into account. It’s easy to misjudge how much space dahlias require by August, or how swiftly a cosmos can shadow a shorter companion.

Designing the Garden Layout

A bit of planning on paper before you begin digging prevents real frustration later.

Draw It Out

planning tools for the garden

You don’t need anything complex… graph paper and a pencil are sufficient. Mark your beds, indicate which direction is south (for sun tracking), and sketch in where various plants will be placed.

This aids in identifying issues before they’re in the ground: a tall plant that might overshadow shorter neighbors, beds that are overly wide to weed from the sides, and pathways that may not function correctly.

Consider Companion Planting

marigolds flourishing in the cut flower garden and white picket fence

Certain plants truly thrive when situated close to one another. Marigolds positioned near vegetable beds or within the cut flower garden assist in repelling aphids. Tall dahlias can offer shade during the afternoon for plants that cannot tolerate intense summer heat. Sweet alyssum placed along the edges of beds draws in beneficial insects. These are not intricate arrangements, merely considerate placements to enhance the garden’s efficiency.

Sunlight, Spacing, and Accessibility

vibrant sweet peas and strawflowers in a garden shaded by an umbrella

The majority of flowering plants require a minimum of 6-8 hours of direct sunlight. Prior to planting, observe where the shade falls at various times throughout the day, particularly in spring when the sun’s angle differs from that of midsummer.

Provide adequate spacing between plants to ensure good air circulation, which helps diminish fungal diseases. Additionally, design your pathways to allow access to every part of the bed without stepping into it. Compacted soil within flower beds poses a significant challenge and can be easily prevented.

How to Enhance Your Soil Prior to the Season Commencing

unplanted raised beds in the cutting garden

Thriving soil serves as the cornerstone. Plants growing in nutrient-rich, well-structured soil exhibit greater vigor, disease resistance, and productivity compared to identical plants in depleted soil.

Assess First

Prior to adding amendments, understand the existing conditions. A soil analysis reveals pH, nutrient concentrations, and organic matter levels, guiding you on what to incorporate instead of relying on assumptions. DIY kits from garden centers are a sensible starting point, but the WSU Soil Lab or your local extension office will provide more comprehensive insights.

Notable Soil Amendments to be Aware Of

wheelbarrow containing mulch
  • Compost: Enhances soil structure, contributes nutrients, and fosters microbial activity. Essential for every bed annually. I top up my raised beds with a fresh layer of fish compost each spring.
  • Well-decomposed manure or leaf mold: Boosts fertility and retains moisture, particularly in beds that tend to dry out swiftly.
  • Lime: Elevates pH for excessively acidic soil. Beneficial in the Pacific Northwest, where our soils often lean towards the acidic side.
  • Sulfur: Lowers pH for alkaline soil.
  • Bone meal: Contributes phosphorus, beneficial for root growth and flower production.
  • Blood meal: Supplies nitrogen, excellent for lush foliage and overall plant health.
  • Gypsum: Helps break up clay soil and enhances drainage without significantly altering pH.

Preparing the Garden Bed

mulch layered on soil in raised beds

Prior to incorporating amendments, loosen the soil to a depth of at least 6-12 inches. Break apart any compacted sections. Distribute amendments uniformly and mix them in with a garden fork. For raised beds, adding 1-2 inches of fresh compost annually typically accomplishes the majority of work.

Establishing a Planting Timeline

Timing is more crucial than many horticulturists understand during the initial years. Planting prematurely in chilly soil or commencing seeds indoors at inappropriate times can hinder your progress by weeks. A straightforward planting calendar ensures everything remains organized.

Understand Your Zone’s Frost Dates

zinnia seedlings in greenhouse

Your final spring frost date and initial autumn frost date establish your cultivation period. In my region of the Pacific Northwest, our last frost usually occurs in mid-March, and we frequently do not experience our first autumn frost until October or November, resulting in an extensive, generous season if planned carefully.

Create a Basic Planting Calendar

planting seedlings in the raised beds

Catalog every type you intend to cultivate. For each one, specify if it is sown directly in the soil or started indoors, and count backwards from your last frost date to determine when seeds should be placed under lights.

Monitor sequential plantings on the same calendar, like a new round of cosmos every few weeks, rather than one large sowing that all blossoms simultaneously and then finishes.

Prepare for Succession

sunflower seedlings growing in the greenhouse

Staggered plantings provide a more continuous yield and flowering season. Instead of initiating all your sunflowers at the same time, consider starting a fresh batch every two to three weeks from late March through early May.

The same concept applies to zinnias, cosmos, and any direct-sown annuals. It requires a bit more strategizing initially, but it significantly prolongs the flowers you can harvest and enjoy.

Pest and Disease Prevention

pink roses in the garden

Avoidance is far simpler than remediation, and most preventive measures in the garden come down to sound fundamental practices.

Recognize What to Monitor

Aphids, slugs, caterpillars, and powdery mildew rank among the most prevalent challenges in Pacific Northwest gardens. Familiarize yourself with the early indicators to catch issues before they escalate. Your local extension office can be an excellent resource for identifying region-specific threats.

Effective Preventive Measures

lime zinnia with strawflowers behind
  • Crop rotation: Avoid planting the same types in the same areas year after year. Rotating disrupts pest cycles and minimizes soil-borne diseases.
  • Companion planting: Marigolds repel aphids. Dill and fennel draw in beneficial insects. Thoughtful arrangement yields significant benefits.
  • Good garden hygiene: Regularly remove spent plants, litter, and weeds. They serve as hiding spots and overwintering grounds for pests.
  • Water at the base: Overhead irrigation keeps foliage damp, which promotes fungal infections. Drip irrigation or soaker hoses are preferable for most flower gardens.
  • Mulch: Ensures consistent soil temperature, conserves moisture, and diminishes splashes that spread soil-borne illnesses to lower foliage.
  • Healthy soil: Well-enriched, nutrient-dense soil germinates stronger plants that exhibit greater natural resistance to stress, pests, and diseases.

When Issues Arise Nonetheless

lavender flourishing in the garden

Despite effective prevention, issues can arise. Neem oil, insecticidal soap, and helpful nematodes serve as viable organic solutions for numerous typical concerns.

The crucial aspect is identifying issues early and addressing them prior to their spread. I adopt a comprehensive pest management strategy: observing regularly, responding when necessary, and steering clear of chemical pesticides that could harm the beneficial insects I aim to attract.

Irrigation and Watering

Chantilly mix snapdragons flourishing in the garden

Proper watering appears straightforward until complications arise, and then it becomes evident how significant it is.

Align Watering with Plant Requirements

young plants flourishing in the garden with irrigation system

Annuals of recently transplanted seedlings require steady moisture, particularly during the initial weeks. Well-established perennials exhibit much greater drought resilience. Dahlias seek regular, deep watering but should not remain in waterlogged soil.

Lavender prefers to go dry in between waterings rather than being consistently wet.

When uncertain, assess the soil. The optimal technique is the simplest. Insert a finger into the soil near the root zone. If it’s dry an inch or two down, it’s the right time to water. Conversely, if it’s still damp, hold off.

Select the Appropriate Irrigation Method

strawflowers flourishing along the white picket fence
  • Drip irrigation: Directs water to the plant roots, limits evaporation, and ensures foliage remains dry. This is my preferred system for the cutting flower beds.
  • Soaker hoses: A more straightforward version of the same concept, perfect for established beds.
  • Hand watering: Ideal for pots, seedlings, and any plants requiring careful attention.
  • Sprinklers: Covers a large area but promotes fungal diseases by wetting foliage. Utilize low-flow heads if choosing this option.
  • Rain barrels: An efficient, eco-friendly addition, especially beneficial in the Pacific Northwest, where ample rain can be collected.

Adapt With the Season

The early morning is the most favorable time to water. This allows plants to absorb moisture before the day’s heat intensifies, and leaves dry promptly. Modify your schedule when heavy rainfall occurs or temperatures decrease. Overwatering poses a significant risk, particularly in spring, when the soil is already saturated from winter.

Establishing a Maintenance Routine

greenhouse and apricot-colored strawflowers flourishing in the garden

A garden that receives consistent attention remains manageable. One that is neglected for three weeks tends to have a much lengthier to-do list upon your return.

Regular Activities to Schedule

coneflowers and blazing star flourishing in the summer garden
  • Weeding: More manageable and quicker when performed regularly. Allowing weeds to set seed will multiply next year’s challenges.

  • Deadheading: Eliminating faded blossoms directs the plant’s energy towards generating new flowers instead of producing seeds. For many annuals and continuously blooming perennials, this results in a significant improvement in blooming duration.
  • Fertilizing: An equal organic fertilizer or a side application of compost throughout the growing period maintains plant vigor. Fish emulsion is a preferred choice in my garden.
  • Mulching: Renew as necessary, typically once or twice during the season, to maintain moisture and suppress weeds.
  • Pest and disease monitoring: A brief stroll through the plots once a week allows you to notice minor issues before they escalate.
  • Staking and support: Install supports ahead of time, before plants require them, rather than after they have fallen over. Dahlias and tall cosmos particularly value early staking.

Maintaining a Garden Journal

variety of seed packets

A garden journal is the most straightforward tool I know for enhancing year after year. It doesn’t have to be complex: a notebook, a binder, or a notes application on your smartphone. The important thing is that you record observations as they occur, rather than trying to reconstruct the season from memory in November.

What to Document

summer cut flower garden
  • Planting dates: Record when each variety was sown, whether from seed or transplant, and its location in the garden.
  • Weather observations: Temperature extremes, late frosts, heat spells, and dry periods all aid in understanding why certain plants thrived or struggled in a particular year.
  • Pest and disease notes: What emerged, when, and the actions taken in response.
  • Bloom dates: Document when flowers opened, their duration, and whether the timing met your objectives.
  • What was successful and what was not: A genuine evaluation of which varieties justified their place and which ones will be omitted next year.

Including photos is also worthwhile, whether slipped into a physical journal or organized in a phone album by date. Observing how the garden appeared at the same stage last year is incredibly beneficial when planning ahead.

Utilizing Your Journal for Planning

The journal’s worth grows over time. Following two or three seasons of diligent notes, you begin to recognize patterns: the beds that consistently require drainage attention, the varieties that excel in certain locations over others, and the weeks when pest activity usually spikes.

This gathered knowledge enhances your effectiveness as a gardener more than any individual tip or technique.

Commonly Asked Questions

When is the Optimal Time for an End-of-Season Garden Review?

cut flower garden with orange and red zinnias and greenhouse in the background

The late fall, after the primary growing period has concluded, is ideal while everything remains clear. However, if you missed that time, early winter or just prior to the seed-ordering season is still beneficial. The crucial aspect is to accomplish this before you begin formulating plans for the upcoming year, to ensure you incorporate last season’s insights.

can genuinely influence your choices.

How Can I Determine What to Modify in My Garden?

leaves of a plant harmed by insects

Begin with what has irritated you the most. A plot that has not performed well for two consecutive years, a pest issue that returns repeatedly, or a plant that appeared stunning in the catalog but never thrived for you. These are your top-priority modifications.

You don’t have to revamp everything at once. One or two significant changes each season, consistently implemented, can lead to substantial improvements over time.

How Can I Enhance My Soil Year after Year?

Regularly adding compost is the most influential action most gardeners can undertake. A 1 to 2-inch layer incorporated each spring, complemented with mulching throughout the year, gradually enhances soil structure and fertility. Conducting a soil test every few years enables you to pinpoint specific deficits and avoid assumptions about amendments.

Is a Garden Journal Truly Essential?

garden planner and journal with seed packets and notes

Not necessarily, but it’s one of the most beneficial practices you can adopt. Even jotting down a few notes each season about what was planted, what thrived, and what faltered provides you with a solid foundation for the subsequent year. Memory can be unreliable, particularly six months later when you are perusing seed catalogs. A simple notebook or mobile app suffices.

How Can I Prevent My Garden from Becoming Overwhelming?

Scale it to your actual capability. A well-maintained small garden yields more satisfaction than an overly ambitious one that becomes unmanageable by July. If time is scarce, opt for a greater percentage of low-maintenance perennials.

Create maintenance routines that are brief and frequent instead of lengthy and sporadic. Also, be ready to decline plants that consistently generate more work than they warrant.

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Concluding Thoughts on Planning a Garden Using Last Year’s Insights

row of dahlias flourishing beside a white picket fence

The garden you aspire for next season is constructed upon what you learned from the last one. The varieties that took you by surprise. The plots that let you down. Timing that succeeded and timing that fell short.

None of it necessitates ideal circumstances or flawless execution, merely an eagerness to observe, record a few notes, and implement what you discovered. That habit, more than any particular method or item, is what enhances your garden year after year.

I hope this provides you with a valuable framework to approach the upcoming season with greater purpose and reduced uncertainty.

Until next occasion,

Happy Gardening!

I’m a self-taught amateur gardener. Everything I present on my blog is my personal perspective and what has proven effective for me.

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