Horticulture lingo

Horticulture lingo

Daily light integral, The average daily total of sunlight for a given location, usually presented on a monthly basis. The amount of photosynthetically active radiation PAR received each day as a function of light intensity and duration. Minimum light sum, The minimum amount of DLI needed to produce a minimally acceptable quality crop. Period of time each day during which an organism receives illumination; day length. Photosynthetically Active Radiation, The region of the light spectrum nanometers used by plants for growth and development.

  • Botanical Terminology: Flowers, Houses and Sexual Reproduction
  • Back to What Is Horticulture
  • B&Q's Tim Clapp highlights confusing horticultural terms as potential barriers to new gardeners
  • Gardening Terms
  • Going Beyond PAR: Your Guide to Horticultural Lighting Terms
  • Glossary of Botanical and Horticultural Terms
  • Gardener's Dictionary: A Horticulture reference for plant and gardening terms
  • Our guide to plants lingo
WATCH RELATED VIDEO: Composting in a few easy steps - quick ways to make and use compost in a no dig garden

Botanical Terminology: Flowers, Houses and Sexual Reproduction

Adaptable as a Houseplant - This means the plant can be grown indoors at least through the winter but likely all year. Annual - A plant that grows, flowers and may produce seed all in one season and then does not survive the winter. It must be planted each year. Many plants we call annual may be perennial in warmer locations. When ready for sale they are dug, wrapped in burlap and then sold. These days some plants may be placed in wire baskets in addition to being wrapped in burlap.

Bare Root - These are plants, usually trees and shrubs, that are sold with little to no soil around the roots. Some perennials are also sold as bare root plants, this is most common with mail ordered plants. Biennial - a plant that produces foliage the first year, flowers the second year and then dies.

Bulb - Bulbs have a very specific definition, read it here , but most of us use bulb as a general term to refer to bulbs and bulb-like structures corms, tubers and rhizomes. These plants grow from an underground storage unit of some type.

Bulbs can be both hardy and non-hardy. CEC - Cation Exchange Capacity, is a measure of how much fertilizer your soil can hold and release over time.

A high CEC is good because it means your soil will hold a lot of fertilizer. Clay soils have high CEC. A low CEC means you will have to fertilize more often.

Sandy soils have low CEC. Clay Soil - Soil composed of many tiny plate-like soil particles that can compact with time to form a hard, solid mass that makes shoveling difficult, digging holes more laborious, and often results in poor drainage. Climbing - Plants that climb fences or other structures by using roots or stem structures to grip, vines are climbers.

Clump Forming - Plant that form clumps of foliage, often spreading to form other clumps close by. Cool-Season Grass - These grasses put on most of their growth in spring before temperatures begin exceeding 75 degrees Fahrenheit and in the fall when temperatures cool down.

They generally maintain good color through the summer but won't grow much when it is hot. Compost - Compost is the decomposition of plants and other formerly living materials into a soil-like substance that is high in organic matter, an excellent fertilizer, and capable of improving almost any soil.

For more in depth composting information click here. Container Plant Style - Plants used in combinations are sometimes classified as thrillers, fillers and spillers to identify what role each plant fulfills in a combination design. Container plant style identifies this designation. Fertilizer comes in pellets and is an improved version of Slow Release Fertilizer. Fertilizer is released based on soil temperature itself not microbe action and tends to be more exact than Slow Release Fertilizer.

Dappled Shade - Areas where there is a mixture of sun and shade, generally because a deciduous tree is nearby. Dappled shade is similar to partial shade. Dead-head - to remove the old spent blooms and seed heads from a plant to help keep plants blooming longer.

For detailed information on deadheading click here. Deer Resistant Plants - Plants that deer are less likely to nibble on. Hungry deer or rabbits, ground hogs, squirrels etc Deer tastes also vary by region so trial and error may be necessary to choose deer resistant plants for your area.

Drought Avoidance - Plants that have developed storage capacity or other characteristics that enable them to weather severe drought without wilting, such as cacti, succulents etc Drought Resistant - Plants that can withstand periods with little to no supplemental water when planted and established in the landscape.

No plant in a pot is truly drought resistant, they will all need some water. All plants will need to be watered while getting established. Annuals and perennials need 2 to 3 weeks to establish, shrubs and trees need a year to become established. Often used interchangeably with drought tolerant although their definitions are different.

Drought Tolerant - Plants that deal with severe drought on a regular basis, and recovers from repeated wilting. Often used interchangeably with drought resistant although their definitions are different.

Dry - Water only when the soil is quite dry. Plants that prefer dry conditions may be susceptible to root rot disease if kept too wet. Dry plants will need little to no supplemental water once established if they are planted in the ground. Dry to Normal - Water when the top of the soil in a pot is dry to the touch but err on the side of dry rather than wet. While these plants will be more tolerant of moist conditions than Dry plants they still do not like constantly moist soil.

Dry to Normal plants will need little to no supplemental water once established if they are planted in the ground. EC - a measure of how much salt is in your soil. High EC can mean that you have a problem from salt water or snow removal. Soils with very high EC can burn plants. A low EC means you need to fertilize fertilzer is essentially make up of different types of salt.

The salts that make up fertilizer are good for your plants although too much can be bad. The salt from the ocean or snow removal is bad for plants. End of the Hose Plant - A plant that is generally tough, is considered low water usage, and generally needs little maintenance. End of the hose plants are great for the far corners of the garden where the hose doesn't reach. Partial Sun or Partial Shade - 4 to 6 hours of direct sun a day.

Dappled Shade - areas where there is a mixture of sun and shade, generally because a deciduous tree is nearby. For more in depth information on exposure click here. Evergreen Grass - These grasses are usually plants that look like grasses but aren't actually classified as grasses. Plants like the sedges and carex are grass-like but not grasses.

Fertilizing - To add nutrition to your plants using either commercial or non commercial fertilizers or compost. Heavy Feeders - Plants that need a lot of fertilizer for optimal performance. Regular applications of fertilizer are necessary for continued performance.

Light Feeders - Plants that do not need a lot of fertilizer for optimal performance. Over feeding Light Feeders can cause toxicity. These are the main nutrients required by plants. Slow Release Fertilizer - Fertilizer that comes in pellets and is slowly released based largely on microbes which are more or less active based on soil temperatures. Trace Elements - Nutrients that plants need in small amounts.

These elements are usually included in most commercial fertilizers. Water Soluble Fertilizer - Fertilizer that either comes in liquid form or comes in crystal form that is dissolved in water. For in depth information on fertilizing click here. Filler - Plants that fill in the middle area of a container connecting the spillers and fillers and making the container look full. Frost-Free Date - Average date in spring when your area no longer experiences frost and the average date in fall for when your area experiences the first frost.

This date is important for knowing when to plant in spring. Knowing both spring and fall frost dates will help you determine the length of your growing season. Genera - The plural form of genus, see below. It is used when referring to more than one plant genus. For instance, "the Petunia and Verbena genera have great garden applications. Genus - The first part of the two-part scientific name that is used for plants on our website.

Habit - The general structure of the plant. Clump Forming - Plant that forms clumps of foliage, often spreading to form other clumps close by. Mounded - Plants with a rounded appearance, they are usually wider than they are tall. Spreading - Plants that grow low and spread along the ground, rooting at nodes along the stem. Trailing - Plants that trail along the ground or out of pots but do not root at nodes along the stem. Upright - A plant that is taller than it is wide with straight more or less edges, these plants often have a somewhat spikey appearance.

If there are long pieces trailing or sticking out these would be trimmed back more so that at the end the plant is nicely even. A haircut will neaten the plant and encourage branching. Harden Off - A process whereby a plant is gradually introduced to cold temperatures giving it a chance to build cold tolerance.

Plants are naturally hardened off in the fall as temperatures grow colder. Hardening off is often used to acclimate greenhouse grown plants to cooler outdoor temperatures in spring.

Hardening off will generally take several weeks. Hardiness Zone - Temperature zones are based on the lowest average temperature each area is expected to receive during the winter.

Hardiness zones are used to determine whether a plant is likely to be perennial in your area. For in depth information on Hardiness Zones click here, to determine what zone you live in click here. Headspace - Space left between the top of the soil and the top of the container. This space helps keep soil from washing out and help channel water into the container when watering. Without head space water can easily run off the top of the container.

Back to What Is Horticulture

Familiarizing yourself with horticultural terms can help you better understand the different characteristics and needs of plants and methods for success in growing them. Whether out in the field, border, or raised bed or indoors under cover, knowing what these terms mean can also help you choose the best crops, varieties, and techniques for your setting. This site uses cookies to personalize your experience, measure site performance, and show you relevant offers and advertisements. To learn more about our use of cookies, as well as the categories of personal information we collect and your choices, please read our Privacy Policy. Your browser's Javascript functionality is turned off. Please turn it on so that you can experience the full capabilities of this site.

Get RHS expert advice on what gardening terms mean with our online horticultural glossary.

B&Q's Tim Clapp highlights confusing horticultural terms as potential barriers to new gardeners

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Gardening Terms

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Going Beyond PAR: Your Guide to Horticultural Lighting Terms

Free entry to RHS members at selected times ». General enquiries Mon — Fri 9am — 5pm. Make a donation. Unsure of a gardening term? Here are some regularly used gardening terms and definitions. Annual - a plant that completes its life cycle germination, flowering, seeding, dying in one growing season.

Glossary of Botanical and Horticultural Terms

Enter keyword s to search for the articles,events,business listing and community content. You can use letters:a-z,A-Z and numbers We are in the filtering business. We gather information and filter it into something that we hope you will find useful and interesting. That is our work, in a nutshell. Many gardeners spend time in the winter reading about their favourite hobby, and in so doing, we run into words that are often used in horticulture that are otherwise quite meaningless. We are here to filter some of that out. Here is our short list of important horticultural words and our interpretation of their meaning.

Introduction, scope and importance of systematic horticulture, familiarization with botanical terminology and definition, plant classification: history and.

Gardener's Dictionary: A Horticulture reference for plant and gardening terms

Mike has spent the later part of his career teaching people how to connect to each other using gardens as their medium. Nevertheless, in horticultural therapy lingo, we have a natural connection to plants and want to learn more about them. Mike Maddox teaches Horticultural therapy as an evolving framework to build meaningful programs to engage audiences. However, the audience he targets may have had barriers to the wonderful world of gardening or would benefit from the calming effects of flowers, water, and wildlife.

Our guide to plants lingo

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Many branched shallow roots Fibrous Green parts that cover and protect the flower bud before it opens Sepals Male part of the flower Stamen Female part of the plant Pistol Large flat part of leaf Blade Edge of the leaf Margin The structural frame work of leaf Veins Leaf tip Apex Modified leaves Bracts Small green particles that contain chlorophyll Chloroplasts Small openings under the leaf for breathing and transportation Stomates Open and closes stomates Guard cells Leaves without petiole Sessile Indicates growth of new cells Root cap Absorbs the moisture and minerals Root hairs Breathing process Linticels Short stalk that holds up the anther Filament Holds up the stigma and connects to the ovary Style The eggs or female sex cells Ovules The large center veins Midrid. Add, edit, delete clues, and customize this puzzle. Print copies for an entire class. The anchor of a plant, absorbs the nutrients Roots The mainbody, transports nutrients up and down the plant Stems male flower reproduction part stamen female flower reproduction part pistil has both male and female plant parts perfect the product when pollen and egg cell are combined seed where pollen is located anther stem filament tube style top, sticky to catch pollen stigma seed iscreated ovary when the seed grows germination when pollen goes into ovary fertilization only one part imperfect help make and protect the seed fruit green part that closes flower sepal multipal plant pollen cross pollination when pollen goes plant to plant pollination made of wood woody the top of a leaf apex is a vascular structure veins one stem several leaves compound one stem one leave simple conects leaves to the stem petiole outer skin layer epidermis. Elongated structure that protects the plant Stem Male reproductive part of the plant Stamen Female reproductive part of the plant Pistil Modified leaf that protects the bud Petal Broad, flat, thin leaflike parts of a flower Sepal A thin stalk of the stamen Filament The part of the Stamen that holds the pollen Anther Sperm seed produced by the plant Pollen Tip of the pistil Stigma The narrow elongated part of the pistil between the ovary and the stigma Style Mature ovary from the female plant Fruit A small body that contains the female germ cell of a plant Ovule The part of a plant that attaches it to the ground or to a support Root A flattened structure of a higher plant, typically green and bladelike Leaf The seed-bearing part of a plant Flower. Plants a young plant sprouts from a seed; first sprout will turn into a seedling and then a small plant; to germinate, a seed needs the right conditions, including water, nutrients, and temperature. Germination a plant structure that contains a young plant, food supply, and protective coating; Seeds are used by plants to create new plants; a seed can only produce the kind of plant it came from.

Adaptable as a Houseplant - This means the plant can be grown indoors at least through the winter but likely all year. Annual - A plant that grows, flowers and may produce seed all in one season and then does not survive the winter. It must be planted each year. Many plants we call annual may be perennial in warmer locations.

Watch the video: Learning latin plant names in horticulture: top 3 books!