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Best Easy-to-Propagate Outdoor Plants: 12 Ranked (2026)



The best easy-to-propagate outdoor plants are Dill, Impatiens, Zinnia. Sodate ranked 12 qualifying plants from a database of 208 profiles on a published 100-point rubric weighted to propagation ease (40), care difficulty (25), pet safety (20) and cost (15). Dill scores 100/100, the highest in this group.
Dill, Impatiens, Zinnia lead this ranking of easy-to-propagate outdoor plants. Entry requires scored from the propagation difficulty stated in each profile, with full marks for beginner-level or unstoppable propagation. 3 of the 12 listed are non-toxic to cats and dogs. Every score is computed from the same four measures, propagation ease, care difficulty, pet safety and cost, and the rubric is published below so you can recompute any ranking yourself.
Why trust this list
Propagation is the cheapest way to fill a house with plants and the fastest way to learn how they work, because a cutting in water shows you root growth you would otherwise never see. Scores come from the propagation difficulty stated in each profile. The top of this list is dominated by plants that root in plain water within a few weeks, which needs no equipment, no rooting hormone and no propagator. These are garden and edible-crop profiles, so the binding constraints are your hardiness zone, your season and your soil rather than your window aspect. Every profile states a zone range and a spacing figure, and both matter more outdoors than any ranking on this page.
At a glance: all 12 ranked
| Rank | Plant | Best for | Score | Propagation ease | Pet safety | US price |
|---|---|---|---|---|---|---|
| #1 | Dill | Making more plants for free, in a home with pets | 100 | Roots readily | Pet-safe | $2–$5 |
| #2 | Impatiens | Making more plants for free, in a home with pets | 100 | Roots readily | Pet-safe | $2–$8 |
| #3 | Zinnia | Making more plants for free, in a home with pets | 90 | Roots readily | Pet-safe | $2–$5 |
| #4 | Daffodil | Making more plants for free, if you forget to water | 88 | Roots readily | Toxic | $1–$2 |
| #5 | Geranium (Pelargonium) | Making more plants for free, if you forget to water | 88 | Roots readily | Toxic | $4–$12 |
| #6 | Gladiolus | Making more plants for free, if you forget to water | 88 | Roots readily | Toxic | $1–$2 |
| #7 | Boxwood | Making more plants for free, if you forget to water | 85 | Roots readily | Toxic | $15–$60 |
| #8 | Jasmine | Making more plants for free, if you forget to water | 85 | Roots readily | Toxic | $12–$35 |
| #9 | Dahlia | Making more plants for free | 78 | Roots readily | Toxic | $5–$20 |
| #10 | Hydrangea | Making more plants for free | 75 | Roots readily | Toxic | $20–$60 |
| #11 | Chrysanthemum | Making more plants for free | 68 | Roots readily | Toxic | $6–$20 |
| #12 | Lavender | Making more plants for free | 68 | Roots readily | Toxic | $8–$25 |
How we scored these
Every plant is scored out of 100 on four measures, each pulled directly from its care profile. No score is assigned by hand, so the ranking can be reproduced from the data:
Ties are broken alphabetically. Prices are researched typical retail ranges, not live quotes. Check each plant's profile for the regional breakdown.
All 12 easy-to-propagate outdoor plants, ranked
Dill
Suva
Best for: Making more plants for free, in a home with pets
Elite tier: top-scoring on every measure
✓ Strong signal Light tolerance: Full sun, at least 6 hours; light shade in very hot climates delays bolting
⚠ Watch out for Plants bolt to flower within weeks of sowing: usually heat, long days, transplant shock, or drought stress
Our take Dill is a beginner-friendly annual herb, but it must be direct-sown: the taproot means transplanted seedlings bolt straight to seed. Sow every three weeks from spring for a continuous leaf supply, in full sun and free-draining soil.
Strengths
- Propagates readily, one plant becomes many
- Non-toxic to cats and dogs
- Beginner-friendly and forgiving of missed waterings
Trade-offs
- Watch for: plants bolt to flower within weeks of sowing
Care details
| Light | Full sun, at least 6 hours; light shade in very hot climates delays bolting |
| Water | Water when the top 2-3cm dries; keep steady moisture as drought triggers early bolting |
| Humidity | : |
| Temperature | 15-25°C (60-77°F); bolts fast above 27°C |
| Toxicity | Non-toxic to cats, dogs, horses and humans |
| US price | $2–$5 |
Impatiens
Sultana
Best for: Making more plants for free, in a home with pets
Elite tier: top-scoring on every measure
✓ Strong signal Light tolerance: Part to full shade; scorches and stalls in hot afternoon sun
⚠ Watch out for Sudden collapse, leaves fall, white fuzz on leaf undersides: usually impatiens downy mildew
Our take Impatiens is a forgiving shade annual that flowers non-stop from late spring to first frost and is genuinely one of the easiest bedding plants to grow. It needs part to full shade, consistently moist soil, and no deadheading at all.
Strengths
- Propagates readily, one plant becomes many
- Non-toxic to cats and dogs
- Beginner-friendly and forgiving of missed waterings
Trade-offs
- Watch for: sudden collapse, leaves fall, white fuzz on leaf undersides
Care details
| Light | Part to full shade; scorches and stalls in hot afternoon sun |
| Water | Keep consistently moist. Check daily in containers during summer; wilts dramatically when dry |
| Humidity | : |
| Temperature | 15-25°C (60-77°F); growth stops below 10°C (50°F) |
| Toxicity | Non-toxic to cats, dogs, horses and humans |
| US price | $2–$8 |
Zinnia
Elegant zinnia
Best for: Making more plants for free, in a home with pets
Elite tier: top-scoring on every measure
✓ Strong signal Light tolerance: Full sun, 6+ hours; mildew and floppiness follow shade
⚠ Watch out for White powdery film on leaves by late summer: usually powdery mildew. the defining zinnia problem, worst with overhead watering and crowding
Our take Zinnias are true annuals: sow seed directly into warm soil after the last frost and they bloom in 6-8 weeks, continuing until frost kills them. They want full sun, average soil, and water at the base only.
Strengths
- Propagates readily, one plant becomes many
- Non-toxic to cats and dogs
- Inexpensive to start ($2–$5 in the US)
Trade-offs
- Watch for: white powdery film on leaves by late summer
Care details
| Light | Full sun, 6+ hours; mildew and floppiness follow shade |
| Water | 1-2 deep waterings a week at the base, keep foliage dry |
| Humidity | : |
| Temperature | : |
| Toxicity | Non-toxic to cats, dogs, and humans |
| US price | $2–$5 |
Daffodil
Narcissus pseudonarcissus
Best for: Making more plants for free, if you forget to water
Elite tier: top-scoring on every measure
✓ Strong signal Light tolerance: Full sun to light shade; happy under deciduous trees that leaf out after flowering
⚠ Watch out for Healthy leaves but no flowers (blindness): usually congested clumps, foliage cut too early, or too much shade
Our take Daffodils are among the most forgiving bulbs you can plant: hardy in USDA zones 3-8 (RHS H6), they naturalise in grass and come back for decades with no feeding or lifting. Plant in early to mid autumn, 10-15cm deep and twice the bulb's width apart, in sun or light shade.
Strengths
- Propagates readily, one plant becomes many
- Beginner-friendly and forgiving of missed waterings
- Inexpensive to start ($1–$2 in the US)
Trade-offs
- Toxic to pets if chewed
- Watch for: healthy leaves but no flowers (blindness)
Care details
| Light | Full sun to light shade; happy under deciduous trees that leaf out after flowering |
| Water | Rain is usually enough; water only during a dry spring while in growth |
| Humidity | : |
| Temperature | : |
| Toxicity | Highly toxic to cats, dogs, horses and humans. Bulbs are the most concentrated part and have been mistaken for onions. Store them away from food. |
| US price | $1–$2 |
Geranium (Pelargonium)
Pelargonium x hortorum
Best for: Making more plants for free, if you forget to water
Elite tier: top-scoring on every measure
✓ Strong signal Light tolerance: Full sun. At least 6 hours of direct sun for good flowering
⚠ Watch out for Blackened, rotting stem at soil level: usually blackleg, a fungal rot from overwatering or cold wet compost
Our take Pelargonium geraniums are forgiving, sun-loving container plants that flower from late spring to first frost in USDA zones 10-11 (RHS H2, tender), and are grown as summer annuals everywhere colder. Give them at least 6 hours of direct sun, let the pot dry between waterings, and d
Strengths
- Propagates readily, one plant becomes many
- Beginner-friendly and forgiving of missed waterings
- Inexpensive to start ($4–$12 in the US)
Trade-offs
- Toxic to pets if chewed
- Watch for: blackened, rotting stem at soil level
Care details
| Light | Full sun. At least 6 hours of direct sun for good flowering |
| Water | Let the top 2-3cm dry out, then water thoroughly; far more tolerant of dry than wet |
| Humidity | : |
| Temperature | 15-27°C (60-80°F); damaged below 4°C (40°F), killed by frost |
| Toxicity | Toxic to cats and dogs; also mildly irritating to horses. Causes vomiting, drooling and dermatitis. |
| US price | $4–$12 |
Gladiolus
Gladiolus x hortulanus
Best for: Making more plants for free, if you forget to water
Elite tier: top-scoring on every measure
✓ Strong signal Light tolerance: Full sun. At least 6 hours; shade produces weak spikes that lean
⚠ Watch out for Silvery streaks and distorted, browning florets: usually gladiolus thrips, which overwinter on stored corms
Our take Gladiolus is an easy summer corm: plant 10-15cm deep and 15cm apart in full sun after the last frost, and it flowers about 90 days later. Plant a new batch every two weeks from spring to late spring for continuous spikes.
Strengths
- Propagates readily, one plant becomes many
- Beginner-friendly and forgiving of missed waterings
- Inexpensive to start ($1–$2 in the US)
Trade-offs
- Toxic to pets if chewed
- Watch for: silvery streaks and distorted, browning florets
Care details
| Light | Full sun. At least 6 hours; shade produces weak spikes that lean |
| Water | Water deeply once a week in dry weather, especially as flower spikes form |
| Humidity | : |
| Temperature | : |
| Toxicity | Corms are toxic to cats and dogs; cause drooling, vomiting and lethargy |
| US price | $1–$2 |
Boxwood
Buxus
Best for: Making more plants for free, if you forget to water
Elite tier: top-scoring on every measure
✓ Strong signal Light tolerance: Full sun to deep shade; one of the few formal evergreens that performs in shade
⚠ Watch out for Bare brown patches, black streaks on stems, leaves dropping: usually box blight
Our take Boxwood is a slow, tough evergreen for hedges and topiary, hardy in USDA zones 5-9 (RHS H6) and happy in sun or shade. Clip in early summer once the first flush has hardened, and give a second light trim in late summer; clipping in frost or hot midday sun scorches the cut leaves.
Strengths
- Propagates readily, one plant becomes many
- Beginner-friendly and forgiving of missed waterings
- Inexpensive to start ($15–$60 in the US)
Trade-offs
- Toxic to pets if chewed
- Watch for: bare brown patches, black streaks on stems, leaves dropping
Care details
| Light | Full sun to deep shade; one of the few formal evergreens that performs in shade |
| Water | Water new plants weekly for the first two seasons; established hedges only in drought |
| Humidity | : |
| Temperature | Hardy to about -20°C; foliage can bronze in cold drying winds |
| Toxicity | Toxic to cats, dogs, horses and livestock. Contains buxine and related alkaloids causing vomiting, diarrhoea, colic and, in quantity, severe illness. Never dispose of clippings where animals graze. |
| US price | $15–$60 |
Jasmine
Jasminum sambac
Best for: Making more plants for free, if you forget to water
Elite tier: top-scoring on every measure
✓ Strong signal Light tolerance: Full sun to light shade; at least 5-6 hours of sun for heavy flowering
⚠ Watch out for Plenty of leaves but no flowers: usually too little sun, too much nitrogen, or pruned at the wrong time
Our take Arabian jasmine is an easygoing plant in warm climates: give it full sun to light shade, free-draining soil and regular water and it flowers on and off all through the warm months. It flowers on new wood, so prune in early spring before growth starts, cutting back hard to force t
Strengths
- Propagates readily, one plant becomes many
- Beginner-friendly and forgiving of missed waterings
- Inexpensive to start ($12–$35 in the US)
Trade-offs
- Toxic to pets if chewed
- Wants higher humidity than most homes provide
- Watch for: plenty of leaves but no flowers
Care details
| Light | Full sun to light shade; at least 5-6 hours of sun for heavy flowering |
| Water | Keep evenly moist in the growing season; reduce sharply in winter |
| Humidity | Prefers 50%+; indoors in winter it appreciates a pebble tray |
| Temperature | 18-30°C (65-86°F); damaged below 5°C and killed by frost |
| Toxicity | Mildly toxic to cats and dogs; causes vomiting and digestive upset. True Jasminum species are far less dangerous than the lookalikes sold as jasmine. |
| US price | $12–$35 |
Dahlia
Dinnerplate dahlia (large types)
Best for: Making more plants for free
Strong pick: one clear trade-off
✓ Strong signal Light tolerance: Full sun. 6-8 hours; blooms drop off sharply in shade
⚠ Watch out for Tubers rotted before sprouting: usually planted into cold, wet soil or watered before shoots emerged
Our take Dahlias are tender tuberous perennials, winter-hardy in the ground only in USDA zones 8-10. Plant tubers after the last frost 10-15cm deep in full sun; they bloom from midsummer until frost, and constant deadheading keeps flowers coming.
Strengths
- Propagates readily, one plant becomes many
- Inexpensive to start ($5–$20 in the US)
Trade-offs
- Toxic to pets if chewed
- Watch for: tubers rotted before sprouting
Care details
| Light | Full sun. 6-8 hours; blooms drop off sharply in shade |
| Water | None until shoots appear, then deeply 2-3x weekly in summer |
| Humidity | : |
| Temperature | : |
| Toxicity | Mildly toxic to cats and dogs. Skin irritation and stomach upset if chewed |
| US price | $5–$20 |
Hydrangea
Hortensia
Best for: Making more plants for free
Strong pick: one clear trade-off
✓ Strong signal Light tolerance: Morning sun with afternoon shade; tolerates fairly deep part shade in hot climates
⚠ Watch out for No flowers at all despite healthy leaves: usually pruned in autumn/winter/spring, removing old-wood flower buds. or buds killed by late frost
Our take Bigleaf hydrangea is a part-shade shrub hardy in USDA zones 6-9 that blooms blue in acidic soil (pH below 6) and pink in alkaline (above 7). It blooms on old wood, so prune only right after flowering.
Strengths
- Propagates readily, one plant becomes many
- Inexpensive to start ($20–$60 in the US)
Trade-offs
- Toxic to pets if chewed
- Watch for: no flowers at all despite healthy leaves
Care details
| Light | Morning sun with afternoon shade; tolerates fairly deep part shade in hot climates |
| Water | Deeply 1-2 times a week; soil should stay consistently moist, never bone dry |
| Humidity | : |
| Temperature | : |
| Toxicity | Mildly toxic to dogs, cats, and horses (cyanogenic glycosides). Vomiting and lethargy if eaten |
| US price | $20–$60 |
Chrysanthemum
Florist's chrysanthemum
Best for: Making more plants for free
Situational: works if the trade-offs suit you
✓ Strong signal Light tolerance: Full sun, at least 6 hours; keep away from night-time artificial light, which disrupts bud set
⚠ Watch out for Plant grows well but never flowers: usually pinched too late in the season, or exposed to artificial light at night
Our take Garden chrysanthemum is a forgiving autumn perennial, hardy in USDA zones 5-9 (RHS H4-H5), that flowers from late summer to hard frost. It is short-day: buds form only once nights lengthen, so pinch the tips every few weeks until midsummer and then stop completely.
Strengths
- Propagates readily, one plant becomes many
- Inexpensive to start ($6–$20 in the US)
Trade-offs
- Toxic to pets if chewed
- Fussier than average: not a starter plant
- Watch for: plant grows well but never flowers
Care details
| Light | Full sun, at least 6 hours; keep away from night-time artificial light, which disrupts bud set |
| Water | Keep evenly moist in summer; container plants in flower may need daily watering |
| Humidity | : |
| Temperature | 16-24°C (60-75°F) growing; flowers tolerate light frost, blooms damaged below about -2°C |
| Toxicity | Toxic to cats and dogs (pyrethrins and sesquiterpene lactones); causes vomiting, diarrhoea, drooling, incoordination and contact dermatitis |
| US price | $6–$20 |
Lavender
Lavandula officinalis
Best for: Making more plants for free
Situational: works if the trade-offs suit you
✓ Strong signal Light tolerance: Full sun. 6-8 hours minimum; flowering and fragrance collapse in shade
⚠ Watch out for Plant collapsed or died over winter: usually root rot from wet, heavy soil. not cold
Our take English lavender is a perennial evergreen sub-shrub hardy in USDA zones 5-9 that wants the opposite of most garden plants: full sun, lean sandy soil, and minimal water. It blooms early-to-mid summer; shear it back by a third right after flowering but never into bare old wood, whi
Strengths
- Propagates readily, one plant becomes many
- Inexpensive to start ($8–$25 in the US)
Trade-offs
- Toxic to pets if chewed
- Fussier than average: not a starter plant
- Watch for: plant collapsed or died over winter
Care details
| Light | Full sun. 6-8 hours minimum; flowering and fragrance collapse in shade |
| Water | Weekly the first summer to establish; after that only in extended drought |
| Humidity | Dislikes humid summers, L. angustifolia struggles in the US Gulf South |
| Temperature | : |
| Toxicity | Mildly toxic to cats and dogs (linalool); essential oil is more concentrated and riskier than the plant |
| US price | $8–$25 |
Stop guessing whether that corner is bright enough
Sodate measures the actual light where your plant sits and builds its watering schedule from that reading and your season, not a fixed interval. Currently in development.
See Sodate: coming soonWhat to check before buying
- Ask where the plant was grown. Greenhouse-grown stock looks perfect for weeks on stored energy before it shows dim-room stress
- Check leaf spacing on the stem: wide gaps mean it was already stretching for light before you bought it
- Choose plain-green over variegated for genuinely dim spots. Variegated leaves have less chlorophyll and need more light
- Inspect leaf undersides and stem joints for pests, which spread faster on plants stressed by low light
- Confirm pet toxicity yourself if you have cats or dogs, rather than relying on shelf labels
Red flags to walk away from
- Rooting hormone sold as essential. It helps with woody, difficult cuttings and is unnecessary for anything scoring full marks here.
- Propagation kits and gel pods. A jar of water and a bright windowsill do the same job for nothing.
- Cuttings sold online without roots at premium prices. An unrooted cutting is a gamble, and the seller has transferred the risk to you.
- Plants sold outside their hardiness range by garden centres that stock nationally. Check the zone on the profile against your own.
Best time to buy
Buy one plant in spring rather than several. Anything scoring full marks here will give you more plants within a season, so the sensible purchase is a single healthy specimen you can take cuttings from, not three small ones.
Frequently asked questions
Do I need rooting hormone?
Not for the plants at the top of this list. They root in plain water or damp mix within a few weeks. Rooting hormone earns its place with woody, slow, or difficult cuttings, not with pothos or tradescantia.
Water or soil for cuttings?
Water is easier to monitor and more satisfying to watch, but water roots are structurally different from soil roots and the plant has to adapt when you pot it up. Rooting directly in damp mix skips that transition, at the cost of not being able to see what is happening.
When is the best time to take cuttings?
Spring and early summer, during active growth. Cuttings taken in late autumn root slowly if at all, and are far more likely to rot before they root.
Do I need to check my hardiness zone?
Yes, before anything else for a perennial. It is the single number that decides whether a plant survives your winter, and every outdoor profile on this site states a range.
Can these be grown in containers?
Many can, but a container is effectively a colder, drier, smaller root environment. Expect to water far more often and treat the plant as one or two zones less hardy than in open ground.
Limitations of this ranking
Stated plainly, so you can judge how much weight to give it:
- No physical testing. Nothing here was grown, timed or measured by us. Every score is computed from the structured care data on this site, which is compiled from the botanical and horticultural sources listed below.
- Prices are researched ranges, not live quotes. They are typical retail for a standard starter size and will drift. Each plant profile carries the regional breakdown for five countries.
- Scores are relative to this directory, which holds 208 profiles. A plant absent from the directory cannot appear here, so this is not a claim about every plant in existence.
- Care data is species-level. Your light, your water and your home will move any of these plants up or down more than the gap between adjacent ranks.
- No individual expert reviewer is named. These pages are compiled and edited in-house against a published rubric. Where a claim matters, the source is cited below rather than attributed to an unnamed authority.
Sources
Of the 208 plant profiles in this directory, 12 meet the entry bar for easy-to-propagate outdoor plants (6%). 3 of the 12 ranked here are non-toxic to cats and dogs, and the median entry price across the list is $5.
- ASPCA Toxic and Non-Toxic Plant List. Species-level toxicity to cats and dogs, used for every pet-safety score.
- GBIF (Global Biodiversity Information Facility). Accepted botanical names and taxon identifiers for every profile.
- iNaturalist. Source of the CC-licensed photographs, with photographer and licence credited per image.
- RHS Plant Finder. UK cultivation guidance, hardiness ratings and cultivar naming.
- Missouri Botanical Garden Plant Finder. Cross-checked culture notes, mature size and problem diagnosis.
Editorial disclosure: no plant on this page is sponsored, and Sodate takes no payment, commission or affiliate revenue for placement. Rankings are generated from the data by the scoring code in this site's repository, not chosen by hand. Published , last updated by Sodate Editorial Team.